{"id":3275,"date":"2026-04-26T07:11:04","date_gmt":"2026-04-26T07:11:04","guid":{"rendered":"https:\/\/multahost.com\/blog\/?p=3275"},"modified":"2026-04-26T07:22:45","modified_gmt":"2026-04-26T07:22:45","slug":"vos3000-cdr-text-file-export","status":"publish","type":"post","link":"https:\/\/multahost.com\/blog\/vos3000-cdr-text-file-export\/","title":{"rendered":"VOS3000 CDR Text File Export Complete Pipe-Delimited Format Best Guide"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" id=\"vos-3000-cdr-text-file-export-complete-pipe-delimited-format-guide\">VOS3000 CDR Text File Export Complete Pipe-Delimited Format Guide<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcca Every VoIP operator needs reliable call data \u2014 and the <strong>VOS3000 CDR text file export<\/strong> is the backbone of billing accuracy, traffic analysis, and regulatory compliance. When enabled, VOS3000 generates pipe-delimited text files containing every call detail record, ready for ingestion by external billing systems, analytics platforms, and fraud detection tools. Yet many operators never configure this powerful feature correctly, leaving critical data trapped inside the VOS3000 database with no external backup or integration path. \ud83d\udcc1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2699\ufe0f The two parameters that control this entire process \u2014 <strong>SS_CDR_RECORD_TO_FILE<\/strong> and <strong>SS_CDR_RECORD_NONCONNECT<\/strong> \u2014 are straightforward to configure, but their implications for disk space, data completeness, and billing accuracy are often misunderstood. Setting SS_CDR_RECORD_TO_FILE to On creates an hourly CDR text file in the softswitch&#8217;s <code>cdr\/<\/code> directory, while SS_CDR_RECORD_NONCONNECT determines whether zero-duration calls (failed attempts, busy signals, no-answer) are included in that export. The difference between having these records and not having them can mean the difference between catching a fraud pattern early and discovering it weeks too late. \ud83d\udd0d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83c\udfaf This guide provides a complete walkthrough of the VOS3000 CDR text file export system: how to enable it, how the pipe-delimited format is structured, how file naming and rotation work, and how to integrate the exported data with external systems. All parameter details are sourced from the official VOS3000 2.1.8.0\/2.1.9.07 English manual, \u00a74.3.5.1 (page 225) and \u00a74.4 (pages 241\u2013243). \ud83d\udcd8<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Table of Contents<\/h2><nav><ul><li><a href=\"#vos-3000-cdr-text-file-export-complete-pipe-delimited-format-guide\">VOS3000 CDR Text File Export Complete Pipe-Delimited Format Guide<\/a><ul><li><a href=\"#\ud83d\udd10-what-is-vos-3000-cdr-text-file-export\">\ud83d\udd10 What Is VOS3000 CDR Text File Export?<\/a><ul><li><a href=\"#\ud83d\udccb-ss-cdr-record-to-file-the-master-switch\">\ud83d\udccb SS_CDR_RECORD_TO_FILE \u2014 The Master Switch<\/a><\/li><li><a href=\"#\ud83d\udccb-ss-cdr-record-nonconnect-zero-duration-call-export\">\ud83d\udccb SS_CDR_RECORD_NONCONNECT \u2014 Zero-Duration Call Export<\/a><\/li><\/ul><\/li><li><a href=\"#\ud83d\udcc1-cdr-text-file-naming-and-storage\">\ud83d\udcc1 CDR Text File Naming and Storage<\/a><ul><li><a href=\"#\ud83d\udccb-file-naming-convention\">\ud83d\udccb File Naming Convention<\/a><\/li><li><a href=\"#\ud83d\udccb-cdr-file-rotation-and-retention\">\ud83d\udccb CDR File Rotation and Retention<\/a><\/li><\/ul><\/li><li><a href=\"#\ud83d\udcca-pipe-delimited-cdr-format-overview\">\ud83d\udcca Pipe-Delimited CDR Format Overview<\/a><ul><li><a href=\"#\ud83d\udccb-cdr-line-format-structure\">\ud83d\udccb CDR Line Format Structure<\/a><\/li><li><a href=\"#\ud83d\udccb-key-cdr-fields-at-a-glance\">\ud83d\udccb Key CDR Fields at a Glance<\/a><\/li><\/ul><\/li><li><a href=\"#\u2699\ufe0f-step-by-step-vos-3000-cdr-text-file-export-configuration\">\u2699\ufe0f Step-by-Step VOS3000 CDR Text File Export Configuration<\/a><ul><li><a href=\"#step-1-enable-cdr-text-file-export-\ud83d\udcc1\">Step 1: Enable CDR Text File Export \ud83d\udcc1<\/a><\/li><li><a href=\"#step-2-configure-non-connected-call-recording-\ud83d\udcde\">Step 2: Configure Non-Connected Call Recording \ud83d\udcde<\/a><\/li><li><a href=\"#step-3-configure-file-rotation-parameters-\ud83d\udd04\">Step 3: Configure File Rotation Parameters \ud83d\udd04<\/a><\/li><\/ul><\/li><li><a href=\"#\ud83d\udd17-related-cdr-parameter-ss-cdr-record-illegal\">\ud83d\udd17 Related CDR Parameter: SS_CDR_RECORD_ILLEGAL<\/a><\/li><li><a href=\"#\ud83d\udee0\ufe0f-parsing-vos-3000-cdr-text-files-for-external-systems\">\ud83d\udee0\ufe0f Parsing VOS3000 CDR Text Files for External Systems<\/a><ul><li><a href=\"#\ud83d\udccb-parsing-methods-comparison\">\ud83d\udccb Parsing Methods Comparison<\/a><\/li><li><a href=\"#\ud83d\udccb-python-parsing-example\">\ud83d\udccb Python Parsing Example<\/a><\/li><\/ul><\/li><li><a href=\"#\ud83d\udee1\ufe0f-common-vos-3000-cdr-text-file-export-problems-and-solutions\">\ud83d\udee1\ufe0f Common VOS3000 CDR Text File Export Problems and Solutions<\/a><ul><li><a href=\"#\u274c-problem-1-no-cdr-text-files-being-generated\">\u274c Problem 1: No CDR Text Files Being Generated<\/a><\/li><li><a href=\"#\u274c-problem-2-missing-zero-duration-call-records\">\u274c Problem 2: Missing Zero-Duration Call Records<\/a><\/li><li><a href=\"#\u274c-problem-3-disk-space-exhaustion-from-cdr-files\">\u274c Problem 3: Disk Space Exhaustion from CDR Files<\/a><\/li><li><a href=\"#\u274c-problem-4-parsing-errors-due-to-extra-pipe-characters\">\u274c Problem 4: Parsing Errors Due to Extra Pipe Characters<\/a><\/li><\/ul><\/li><li><a href=\"#\ud83d\udca1-vos-3000-cdr-text-file-export-best-practices\">\ud83d\udca1 VOS3000 CDR Text File Export Best Practices<\/a><\/li><li><a href=\"#\ud83d\udcca-complete-vos-3000-cdr-export-parameter-reference\">\ud83d\udcca Complete VOS3000 CDR Export Parameter Reference<\/a><\/li><li><a href=\"#\u2753-frequently-asked-questions\">\u2753 Frequently Asked Questions<\/a><ul><li><a href=\"#\u2753-how-do-i-enable-vos-3000-cdr-text-file-export\">\u2753 How do I enable VOS3000 CDR text file export?<\/a><\/li><li><a href=\"#\u2753-what-is-the-difference-between-ss-cdr-record-to-file-and-ss-cdr-record-nonconnect\">\u2753 What is the difference between SS_CDR_RECORD_TO_FILE and SS_CDR_RECORD_NONCONNECT?<\/a><\/li><li><a href=\"#\u2753-where-are-vos-3000-cdr-text-files-stored\">\u2753 Where are VOS3000 CDR text files stored?<\/a><\/li><li><a href=\"#\u2753-can-i-export-historical-cdr-data-that-was-generated-before-enabling-text-file-export\">\u2753 Can I export historical CDR data that was generated before enabling text file export?<\/a><\/li><li><a href=\"#\u2753-how-much-disk-space-do-vos-3000-cdr-text-files-consume\">\u2753 How much disk space do VOS3000 CDR text files consume?<\/a><\/li><li><a href=\"#\u2753-what-is-the-pipe-delimiter-character-used-in-vos-3000-cdr-text-files\">\u2753 What is the pipe delimiter character used in VOS3000 CDR text files?<\/a><\/li><\/ul><\/li><li><a href=\"#\ud83d\udcde-need-expert-help-with-vos-3000-cdr-text-file-export\">\ud83d\udcde Need Expert Help with VOS3000 CDR Text File Export?<\/a><\/li><li><a href=\"#\ud83d\udcde-need-call-center-setup-support\">\ud83d\udcde Need Professional VOS3000 Setup Support?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udd10-what-is-vos-3000-cdr-text-file-export\">\ud83d\udd10 What Is VOS3000 CDR Text File Export?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcc1 The <strong>VOS3000 CDR text file export<\/strong> is a softswitch-level feature that writes call detail records to flat text files on the server filesystem. Unlike CDR records stored in the MySQL database \u2014 which require the VOS3000 client or web interface to query \u2014 text file exports provide a continuous, externally accessible stream of call data that can be consumed by any system capable of parsing pipe-delimited text. \ud83d\udccb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Why text file export matters:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udd04 <strong>External billing integration:<\/strong> Feed CDR data directly into third-party billing platforms without database access<\/li>\n\n\n\n<li>\ud83d\udee1\ufe0f <strong>Backup redundancy:<\/strong> Maintain a file-based CDR copy independent of the MySQL database<\/li>\n\n\n\n<li>\ud83d\udcca <strong>Analytics pipeline:<\/strong> Pipe-delimited files are easily consumed by Python, Excel, BigQuery, and custom tools<\/li>\n\n\n\n<li>\ud83d\udd0d <strong>Fraud detection:<\/strong> Real-time or near-real-time CDR analysis on exported files catches anomalies faster<\/li>\n\n\n\n<li>\ud83d\udccb <strong>Regulatory compliance:<\/strong> Many telecom regulators require CDR archival in a portable, non-proprietary format<\/li>\n\n\n\n<li>\ud83d\udd17 <strong>System migration:<\/strong> Export historical CDR data when migrating to a new billing or CRM system<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udccd <strong>Parameter location in VOS3000 Client:<\/strong> Operation management \u2192 Softswitch management \u2192 Additional settings \u2192 Softswitch parameter<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udccb-ss-cdr-record-to-file-the-master-switch\">\ud83d\udccb SS_CDR_RECORD_TO_FILE \u2014 The Master Switch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd27 <strong>SS_CDR_RECORD_TO_FILE<\/strong> is the primary parameter that enables or disables the entire text file CDR export. When set to On, VOS3000 creates hourly text files containing all CDR records in pipe-delimited format.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">Attribute<\/th><th class=\"has-text-align-left\" data-align=\"left\">Value<\/th><\/tr><tr><td>\ud83d\udccc Parameter Name<\/td><td>SS_CDR_RECORD_TO_FILE<\/td><\/tr><tr><td>\ud83d\udd22 Default Value<\/td><td>Off<\/td><\/tr><tr><td>\u2699\ufe0f Valid Values<\/td><td>On \/ Off<\/td><\/tr><tr><td>\ud83d\udcdd Description<\/td><td>Save CDR as TXT (per VOS3000 manual \u00a74.3.5.1, page 225)<\/td><\/tr><tr><td>\ud83d\udccd Location<\/td><td>Operation management \u2192 Softswitch management \u2192 Additional settings \u2192 Softswitch parameter<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>Critical note:<\/strong> This parameter is <strong>Off by default<\/strong>. Many VOS3000 deployments run for years without CDR text file export enabled, which means no file-based CDR backup exists. If the MySQL database becomes corrupted or the server experiences a disk failure, all historical CDR data stored only in the database may be lost. Enabling SS_CDR_RECORD_TO_FILE provides a critical safety net.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udccb-ss-cdr-record-nonconnect-zero-duration-call-export\">\ud83d\udccb SS_CDR_RECORD_NONCONNECT \u2014 Zero-Duration Call Export<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcde <strong>SS_CDR_RECORD_NONCONNECT<\/strong> controls whether non-connected calls \u2014 those with zero hold time \u2014 are included in the text file export. This includes busy signals, no-answer attempts, failed calls, and other call attempts that never established a two-way audio path.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">Attribute<\/th><th class=\"has-text-align-left\" data-align=\"left\">Value<\/th><\/tr><tr><td>\ud83d\udccc Parameter Name<\/td><td>SS_CDR_RECORD_NONCONNECT<\/td><\/tr><tr><td>\ud83d\udd22 Default Value<\/td><td>Off<\/td><\/tr><tr><td>\u2699\ufe0f Valid Values<\/td><td>On \/ Off<\/td><\/tr><tr><td>\ud83d\udcdd Description<\/td><td>When saving CDR as TXT, contains CDR which hold time is 0s (per VOS3000 manual \u00a74.3.5.1, page 225)<\/td><\/tr><tr><td>\ud83d\udccd Location<\/td><td>Operation management \u2192 Softswitch management \u2192 Additional settings \u2192 Softswitch parameter<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Why you might want non-connected CDRs:<\/strong> While zero-duration calls generate no revenue, they carry essential operational intelligence. High volumes of busy signals from a specific gateway may indicate capacity problems. Repeated no-answer attempts to a destination could signal a routing misconfiguration. Patterns of failed calls from unauthorized IPs \u2014 tracked by <a href=\"https:\/\/multahost.com\/blog\/vos3000-illegal-call-recording\/\">SS_CDR_RECORD_ILLEGAL<\/a> \u2014 are often the first sign of toll fraud. Without SS_CDR_RECORD_NONCONNECT enabled, all of this intelligence is excluded from your text file export.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udcc1-cdr-text-file-naming-and-storage\">\ud83d\udcc1 CDR Text File Naming and Storage<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcc2 When SS_CDR_RECORD_TO_FILE is enabled, VOS3000 creates CDR text files in the <code>cdr\/<\/code> directory under the VOS3000 installation path. The naming convention follows a precise hourly pattern documented in the official manual \u00a74.4 (page 241):<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udccb-file-naming-convention\">\ud83d\udccb File Naming Convention<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">Attribute<\/th><th class=\"has-text-align-left\" data-align=\"left\">Detail<\/th><\/tr><tr><td>\ud83d\udcd0 Format<\/td><td>YYYYMMDDHH.txt<\/td><\/tr><tr><td>\ud83d\udcc1 Directory<\/td><td>cdr\/ under VOS3000 installation path<\/td><\/tr><tr><td>\u23f0 Granularity<\/td><td>One file per hour<\/td><\/tr><tr><td>\ud83d\udcdd Example<\/td><td>2013103112.txt contains CDRs ending between 12:00:00 and 12:59:59<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd0d <strong>How the hourly file system works:<\/strong> Each CDR is written to the file corresponding to the hour in which the call ended (stop time). A call that starts at 11:45 and ends at 12:10 will be recorded in the 12:00 hour file, not the 11:00 hour file. This means each file contains a self-contained set of CDRs that can be processed independently without worrying about time-overlap between files.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udccb-cdr-file-rotation-and-retention\">\ud83d\udccb CDR File Rotation and Retention<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd04 VOS3000 manages CDR text file rotation using two server-level parameters that control how long files are retained and how many are kept on disk:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">Parameter<\/th><th class=\"has-text-align-left\" data-align=\"left\">Default<\/th><th class=\"has-text-align-left\" data-align=\"left\">Range<\/th><th class=\"has-text-align-left\" data-align=\"left\">Purpose<\/th><\/tr><tr><td>SERVER_CDR_FILE_WRITE_INTERVAL<\/td><td>None<\/td><td>60\u201386400 seconds<\/td><td>Time interval for creating new CDR files<\/td><\/tr><tr><td>SERVER_CDR_FILE_WRITE_MAX<\/td><td>2048<\/td><td>10\u20134096 files<\/td><td>Maximum number of CDR files retained on disk<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcca <strong>Disk space planning:<\/strong> With the default SERVER_CDR_FILE_WRITE_MAX of 2048 files and one file per hour, VOS3000 retains approximately 85 days of CDR text files. For high-traffic systems, monitor disk usage closely \u2014 each hourly file can range from a few KB on a low-traffic system to hundreds of MB on a system processing thousands of concurrent calls. To learn more about CDR file rotation and backup strategies, see our guide on <a href=\"https:\/\/multahost.com\/blog\/vos3000-cdr-analysis-billing\/\">VOS3000 CDR analysis and billing<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udcca-pipe-delimited-cdr-format-overview\">\ud83d\udcca Pipe-Delimited CDR Format Overview<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd17 Each line in the VOS3000 CDR text file represents one call detail record, with fields separated by the pipe character (<code>|<\/code>). The format is documented in the official VOS3000 manual \u00a74.4 (pages 241\u2013243). Understanding this format is essential for parsing CDR data into external systems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udccb-cdr-line-format-structure\">\ud83d\udccb CDR Line Format Structure<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">callerE164|calleeE164|startTime|stopTime|holdTime|endReason|\nendDirection|callerGatewayId|calleeGatewayId|callerIp|calleeIp|\ncallerAccessE164|calleeAccessE164|callerToGatewayE164|\ncalleeToGatewayE164|calleeBilling|billingMode|callerPdd|calleePdd\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcdd <strong>Field count note:<\/strong> The VOS3000 manual \u00a74.4 documents the pipe-delimited format with 18 pipe separators, resulting in 19 columns of data. The first 18 fields (through billingMode) are the core CDR fields present in all versions, while the callerPdd and calleePdd fields provide Post-Dial Delay metrics that were added in later revisions of the software.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udccb-key-cdr-fields-at-a-glance\">\ud83d\udccb Key CDR Fields at a Glance<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">#<\/th><th class=\"has-text-align-left\" data-align=\"left\">Field<\/th><th class=\"has-text-align-left\" data-align=\"left\">Description<\/th><th class=\"has-text-align-left\" data-align=\"left\">Example<\/th><\/tr><tr><td>1<\/td><td>callerE164<\/td><td>The caller ID<\/td><td>12125551234<\/td><\/tr><tr><td>2<\/td><td>calleeE164<\/td><td>The callee ID<\/td><td>18005559876<\/td><\/tr><tr><td>3<\/td><td>startTime<\/td><td>Call begin time<\/td><td>2018-12-20 11:20:18<\/td><\/tr><tr><td>4<\/td><td>stopTime<\/td><td>Call end time<\/td><td>2018-12-20 16:34:09<\/td><\/tr><tr><td>5<\/td><td>holdTime<\/td><td>Call duration in milliseconds<\/td><td>45000<\/td><\/tr><tr><td>6<\/td><td>endReason<\/td><td>End reason code<\/td><td>200<\/td><\/tr><tr><td>7<\/td><td>endDirection<\/td><td>Hangup side (0=caller, 1=callee, 2=server)<\/td><td>0<\/td><\/tr><tr><td>17<\/td><td>billingMode<\/td><td>Charge mode (-1=no billing, 0=phone, 1=gateway, 3=phone card)<\/td><td>0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd11 <strong>Key observations:<\/strong> The holdTime field records call duration in <strong>milliseconds<\/strong>, not seconds. This is critical for billing calculations \u2014 a holdTime of 45000 means 45 seconds, not 45000 seconds. The endDirection field identifies who terminated the call (caller, callee, or server), which is essential for <a href=\"https:\/\/multahost.com\/blog\/vos3000-call-termination-reasons\/\">call termination analysis<\/a>. The billingMode field determines how the call was charged and whether billing was applied at all.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u2699\ufe0f-step-by-step-vos-3000-cdr-text-file-export-configuration\">\u2699\ufe0f Step-by-Step VOS3000 CDR Text File Export Configuration<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udda5\ufe0f Follow these steps to enable and configure the VOS3000 CDR text file export on your softswitch:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"step-1-enable-cdr-text-file-export-\ud83d\udcc1\">Step 1: Enable CDR Text File Export \ud83d\udcc1<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\ud83d\udd10 Log in to VOS3000 Client with administrator credentials<\/li>\n\n\n\n<li>\ud83d\udccc Navigate: <strong>Operation management \u2192 Softswitch management \u2192 Additional settings \u2192 Softswitch parameter<\/strong><\/li>\n\n\n\n<li>\ud83d\udd0d Locate <strong>SS_CDR_RECORD_TO_FILE<\/strong> in the parameter list<\/li>\n\n\n\n<li>\u270f\ufe0f Change the value from <strong>Off<\/strong> to <strong>On<\/strong><\/li>\n\n\n\n<li>\ud83d\udcbe Click Save to apply the configuration<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>Important:<\/strong> After enabling SS_CDR_RECORD_TO_FILE, VOS3000 will begin writing CDR text files starting from the next hourly interval. Historical CDR data from before the parameter was enabled is <strong>not<\/strong> retroactively exported. If you need historical data, use the CDR query interface in the VOS3000 client to export it manually, as described in our <a href=\"https:\/\/multahost.com\/blog\/vos3000-cdr-analysis-billing\/\">CDR analysis guide<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"step-2-configure-non-connected-call-recording-\ud83d\udcde\">Step 2: Configure Non-Connected Call Recording \ud83d\udcde<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\ud83d\udccb In the same Softswitch parameter section, locate <strong>SS_CDR_RECORD_NONCONNECT<\/strong><\/li>\n\n\n\n<li>\u270f\ufe0f Change the value from <strong>Off<\/strong> to <strong>On<\/strong> if you need zero-duration call records in the export<\/li>\n\n\n\n<li>\ud83d\udcbe Save the configuration<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Recommendation:<\/strong> Enable SS_CDR_RECORD_NONCONNECT for most deployments. The additional disk space consumed by zero-duration CDRs is minimal compared to the operational value they provide. However, during a <a href=\"https:\/\/multahost.com\/blog\/vos3000-zero-duration-cdr\/\">DDoS or flood attack<\/a>, the volume of zero-duration CDRs can spike dramatically. If disk space is a concern during such events, you can temporarily disable this parameter to prevent disk overflow.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"step-3-configure-file-rotation-parameters-\ud83d\udd04\">Step 3: Configure File Rotation Parameters \ud83d\udd04<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\ud83d\udccb Navigate: <strong>Operation management \u2192 Server management \u2192 Server parameter<\/strong><\/li>\n\n\n\n<li>\ud83d\udd0d Review <strong>SERVER_CDR_FILE_WRITE_INTERVAL<\/strong> \u2014 set the hourly interval for new file creation (default: one file per hour)<\/li>\n\n\n\n<li>\ud83d\udd0d Review <strong>SERVER_CDR_FILE_WRITE_MAX<\/strong> \u2014 set the maximum number of CDR files to retain (default: 2048)<\/li>\n\n\n\n<li>\ud83d\udcbe Save and restart the VOS3000 service for changes to take effect<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">Scenario<\/th><th class=\"has-text-align-left\" data-align=\"left\">WRITE_INTERVAL<\/th><th class=\"has-text-align-left\" data-align=\"left\">WRITE_MAX<\/th><th class=\"has-text-align-left\" data-align=\"left\">Result<\/th><\/tr><tr><td>\u2705 Default (most deployments)<\/td><td>3600 (1 hour)<\/td><td>2048<\/td><td>~85 days of CDR files retained<\/td><\/tr><tr><td>\ud83d\udcca High-traffic analytics<\/td><td>1800 (30 min)<\/td><td>4096<\/td><td>~85 days with finer granularity<\/td><\/tr><tr><td>\ud83d\udcbe Low disk space<\/td><td>3600 (1 hour)<\/td><td>720<\/td><td>~30 days of retention<\/td><\/tr><tr><td>\ud83d\udee1\ufe0f Long-term compliance<\/td><td>3600 (1 hour)<\/td><td>4096<\/td><td>~170 days of retention<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udd17-related-cdr-parameter-ss-cdr-record-illegal\">\ud83d\udd17 Related CDR Parameter: SS_CDR_RECORD_ILLEGAL<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udee1\ufe0f Another important softswitch parameter that affects CDR text file content is <strong>SS_CDR_RECORD_ILLEGAL<\/strong>. This parameter controls whether CDRs are generated for calls originating from unauthorized IP addresses \u2014 calls that VOS3000 rejects as illegal or unauthorized.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">Attribute<\/th><th class=\"has-text-align-left\" data-align=\"left\">Value<\/th><\/tr><tr><td>\ud83d\udccc Parameter Name<\/td><td>SS_CDR_RECORD_ILLEGAL<\/td><\/tr><tr><td>\ud83d\udd22 Default Value<\/td><td>On<\/td><\/tr><tr><td>\ud83d\udcdd Description<\/td><td>Record illegal call (per VOS3000 manual \u00a74.3.5.1, page 225)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd12 Unlike SS_CDR_RECORD_NONCONNECT (which defaults to Off), SS_CDR_RECORD_ILLEGAL defaults to <strong>On<\/strong>. This means VOS3000 is configured by default to record CDRs for hack attempts and unauthorized call attempts. These records appear in the text file export with a special billing mode code of -1 (no billing), making them easy to filter and analyze separately. For more details on how VOS3000 handles unauthorized calls, see our guide on <a href=\"https:\/\/multahost.com\/blog\/illegal-call-in-vos3000-server-how-to-stop-illegal-call-is-it-important\/\">illegal call detection and prevention<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udee0\ufe0f-parsing-vos-3000-cdr-text-files-for-external-systems\">\ud83d\udee0\ufe0f Parsing VOS3000 CDR Text Files for External Systems<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcca Once the VOS3000 CDR text file export is configured, the next step is integrating the exported data with your external systems. The pipe-delimited format is universally supported by programming languages, databases, and analytics tools.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udccb-parsing-methods-comparison\">\ud83d\udccb Parsing Methods Comparison<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">Method<\/th><th class=\"has-text-align-left\" data-align=\"left\">Best For<\/th><th class=\"has-text-align-left\" data-align=\"left\">Complexity<\/th><th class=\"has-text-align-left\" data-align=\"left\">Real-Time<\/th><\/tr><tr><td>\ud83d\udc0d Python script<\/td><td>Custom analytics, billing import<\/td><td>Medium<\/td><td>Near-real-time (cron)<\/td><\/tr><tr><td>\ud83d\uddc4\ufe0f MySQL LOAD DATA<\/td><td>Database import, reporting<\/td><td>Low<\/td><td>Batch (hourly)<\/td><\/tr><tr><td>\ud83d\udcca Excel\/CSV conversion<\/td><td>Manual review, one-time analysis<\/td><td>Low<\/td><td>Manual<\/td><\/tr><tr><td>\ud83d\udd04 Logstash\/Fluentd<\/td><td>Elasticsearch, SIEM integration<\/td><td>High<\/td><td>Near-real-time<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udccb-python-parsing-example\">\ud83d\udccb Python Parsing Example<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">import csv\n\n# VOS3000 CDR field names (per manual \u00a74.4)\nCDR_FIELDS = [\n    'callerE164', 'calleeE164', 'startTime', 'stopTime',\n    'holdTime', 'endReason', 'endDirection',\n    'callerGatewayId', 'calleeGatewayId',\n    'callerIp', 'calleeIp',\n    'callerAccessE164', 'calleeAccessE164',\n    'callerToGatewayE164', 'calleeToGatewayE164',\n    'calleeBilling', 'billingMode',\n    'callerPdd', 'calleePdd'\n]\n\ndef parse_cdr_file(filepath):\n    \"\"\"Parse VOS3000 CDR text file into list of dictionaries.\"\"\"\n    records = []\n    with open(filepath, 'r') as f:\n        reader = csv.reader(f, delimiter='|')\n        for row in reader:\n            if len(row) &gt;= 17:  # Minimum core fields\n                record = dict(zip(CDR_FIELDS[:len(row)], row))\n                records.append(record)\n    return records\n\n# Usage: Parse a CDR file and filter connected calls\ncdr_data = parse_cdr_file('\/home\/vos3000\/cdr\/2026042612.txt')\nconnected = [r for r in cdr_data if int(r.get('holdTime', 0)) &gt; 0]\nprint(f\"Total CDRs: {len(cdr_data)}, Connected: {len(connected)}\")\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udee1\ufe0f-common-vos-3000-cdr-text-file-export-problems-and-solutions\">\ud83d\udee1\ufe0f Common VOS3000 CDR Text File Export Problems and Solutions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f Misconfigurations and misunderstandings about the CDR text file export can lead to data loss, disk space issues, or incomplete records. Here are the most common problems and their solutions:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u274c-problem-1-no-cdr-text-files-being-generated\">\u274c Problem 1: No CDR Text Files Being Generated<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd0d <strong>Symptom:<\/strong> The <code>cdr\/<\/code> directory is empty or does not contain the expected hourly text files.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Cause:<\/strong> SS_CDR_RECORD_TO_FILE is still set to Off (the default value). Many operators assume CDR files are generated automatically, but this feature must be explicitly enabled.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705 <strong>Solution:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udd27 Navigate to Softswitch parameter and set <strong>SS_CDR_RECORD_TO_FILE = On<\/strong><\/li>\n\n\n\n<li>\ud83d\udcbe Save the configuration and wait for the next hourly interval<\/li>\n\n\n\n<li>\ud83d\udcc1 Verify the <code>cdr\/<\/code> directory exists and has proper write permissions<\/li>\n\n\n\n<li>\ud83d\udccb Confirm with the <a href=\"https:\/\/multahost.com\/blog\/vos3000-system-parameter\/\">VOS3000 system parameter<\/a> guide that no other settings are blocking file creation<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u274c-problem-2-missing-zero-duration-call-records\">\u274c Problem 2: Missing Zero-Duration Call Records<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd0d <strong>Symptom:<\/strong> The CDR text files only contain records for connected calls. Failed calls, busy signals, and no-answer attempts are absent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Cause:<\/strong> SS_CDR_RECORD_NONCONNECT is set to Off (default), which excludes zero-duration calls from the text file export.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705 <strong>Solution:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udcde Set <strong>SS_CDR_RECORD_NONCONNECT = On<\/strong> in Softswitch parameter<\/li>\n\n\n\n<li>\ud83d\udcca Be aware this increases file sizes \u2014 monitor disk usage after enabling<\/li>\n\n\n\n<li>\ud83d\udd0d For fraud detection purposes, this setting is strongly recommended<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u274c-problem-3-disk-space-exhaustion-from-cdr-files\">\u274c Problem 3: Disk Space Exhaustion from CDR Files<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd0d <strong>Symptom:<\/strong> The server runs low on disk space, and the <code>cdr\/<\/code> directory contains thousands of large CDR text files.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Cause:<\/strong> SERVER_CDR_FILE_WRITE_MAX is set too high, or an external script is not archiving and cleaning up old CDR files.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705 <strong>Solution:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udd04 Reduce <strong>SERVER_CDR_FILE_WRITE_MAX<\/strong> to a lower value (e.g., 720 for ~30 days)<\/li>\n\n\n\n<li>\ud83d\udcc1 Implement a cron job to move CDR files older than X days to archive storage<\/li>\n\n\n\n<li>\ud83d\udcca Monitor disk usage with the VOS3000 disk alarm feature<\/li>\n\n\n\n<li>\ud83d\udcbe Consider compressing older CDR files with gzip to save space<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u274c-problem-4-parsing-errors-due-to-extra-pipe-characters\">\u274c Problem 4: Parsing Errors Due to Extra Pipe Characters<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd0d <strong>Symptom:<\/strong> External parsing scripts produce incorrect field alignment or data corruption.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Cause:<\/strong> Caller or callee E164 fields contain unexpected characters, or the number of pipe separators varies between CDR records.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705 <strong>Solution:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udd27 Use a robust parser that handles variable field counts gracefully<\/li>\n\n\n\n<li>\ud83d\udccb Always validate the number of fields per line before processing<\/li>\n\n\n\n<li>\ud83d\udcca Reference the official VOS3000 manual \u00a74.4 (page 241) for the exact field specification<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udca1-vos-3000-cdr-text-file-export-best-practices\">\ud83d\udca1 VOS3000 CDR Text File Export Best Practices<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83c\udfaf Follow these best practices to get the most from your VOS3000 CDR text file export configuration:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">Best Practice<\/th><th class=\"has-text-align-left\" data-align=\"left\">Recommendation<\/th><th class=\"has-text-align-left\" data-align=\"left\">Reason<\/th><\/tr><tr><td>\ud83d\udcc1 Always enable SS_CDR_RECORD_TO_FILE<\/td><td>Set to On<\/td><td>\u2705 Provides file-based CDR backup independent of MySQL<\/td><\/tr><tr><td>\ud83d\udcde Enable SS_CDR_RECORD_NONCONNECT<\/td><td>Set to On for most deployments<\/td><td>\ud83d\udd0d Captures failed call data for fraud detection and quality analysis<\/td><\/tr><tr><td>\ud83d\udd04 Archive CDR files regularly<\/td><td>Move files older than 30 days to archive<\/td><td>\ud83d\udcbe Prevents disk space exhaustion on active server<\/td><\/tr><tr><td>\ud83d\udcca Validate CDR data daily<\/td><td>Check record counts and file sizes<\/td><td>\ud83d\udee1\ufe0f Early detection of data export problems<\/td><\/tr><tr><td>\ud83d\udd12 Set proper file permissions<\/td><td>Restrict cdr\/ directory access<\/td><td>\ud83d\udd10 CDR files contain sensitive call data and IP addresses<\/td><\/tr><tr><td>\ud83d\udce1 Consider real-time forwarding<\/td><td>Use SERVER_CDR_REAL_TIME_REPORT_SERVER<\/td><td>\u26a1 For immediate CDR delivery to external billing systems<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Pro tip:<\/strong> The VOS3000 CDR text file export works best as part of a comprehensive data strategy. Combine the text file export with the <a href=\"https:\/\/multahost.com\/blog\/vos3000-billing-system\/\">VOS3000 billing system<\/a> for complete revenue tracking, and use the exported data to build custom dashboards that go beyond what the VOS3000 client interface provides. For operators who need real-time CDR delivery rather than hourly file batches, the SERVER_CDR_REAL_TIME_REPORT_SERVER parameter provides an alternative integration path.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udcca-complete-vos-3000-cdr-export-parameter-reference\">\ud83d\udcca Complete VOS3000 CDR Export Parameter Reference<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udccb Here is the complete reference table for all parameters related to CDR text file export, sourced from the official VOS3000 2.1.8.0\/2.1.9.07 English manual:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">Parameter<\/th><th class=\"has-text-align-left\" data-align=\"left\">Default<\/th><th class=\"has-text-align-left\" data-align=\"left\">Category<\/th><th class=\"has-text-align-left\" data-align=\"left\">Purpose<\/th><\/tr><tr><td>SS_CDR_RECORD_TO_FILE<\/td><td>Off<\/td><td>Softswitch<\/td><td>Enable CDR text file export<\/td><\/tr><tr><td>SS_CDR_RECORD_NONCONNECT<\/td><td>Off<\/td><td>Softswitch<\/td><td>Include zero-duration calls in export<\/td><\/tr><tr><td>SS_CDR_RECORD_ILLEGAL<\/td><td>On<\/td><td>Softswitch<\/td><td>Record illegal\/unauthorized call CDRs<\/td><\/tr><tr><td>SERVER_CDR_FILE_WRITE_INTERVAL<\/td><td>None<\/td><td>Server<\/td><td>CDR file creation interval (60\u201386400 seconds)<\/td><\/tr><tr><td>SERVER_CDR_FILE_WRITE_MAX<\/td><td>2048<\/td><td>Server<\/td><td>Maximum CDR files retained (10\u20134096)<\/td><\/tr><tr><td>SERVER_CDR_REAL_TIME_REPORT_SERVER<\/td><td>(blank)<\/td><td>Server<\/td><td>Real-time CDR forwarding server address<\/td><\/tr><tr><td>SERVER_QUERY_CDR_DENY_TIME<\/td><td>(blank)<\/td><td>Server<\/td><td>No CDR query time (blackout hours)<\/td><\/tr><tr><td>SERVER_QUERY_CDR_MAX_DAY_INTERVAL<\/td><td>31<\/td><td>Server<\/td><td>Maximum CDR query date range (days)<\/td><\/tr><tr><td>SERVER_MAX_CDR_PENDING_LIST_LENGTH<\/td><td>100000<\/td><td>Server<\/td><td>CDR queue length limit (10000\u2013100000)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u2753-frequently-asked-questions\">\u2753 Frequently Asked Questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-how-do-i-enable-vos-3000-cdr-text-file-export\">\u2753 How do I enable VOS3000 CDR text file export?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcc1 To enable the VOS3000 CDR text file export, navigate to <strong>Operation management \u2192 Softswitch management \u2192 Additional settings \u2192 Softswitch parameter<\/strong> and set <strong>SS_CDR_RECORD_TO_FILE<\/strong> to <strong>On<\/strong>. This parameter is Off by default, so it must be explicitly enabled. After saving the configuration, VOS3000 will begin creating hourly CDR text files in the <code>cdr\/<\/code> directory starting from the next hourly interval. The files follow the naming convention YYYYMMDDHH.txt as documented in the VOS3000 manual \u00a74.4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-what-is-the-difference-between-ss-cdr-record-to-file-and-ss-cdr-record-nonconnect\">\u2753 What is the difference between SS_CDR_RECORD_TO_FILE and SS_CDR_RECORD_NONCONNECT?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd27 <strong>SS_CDR_RECORD_TO_FILE<\/strong> is the master switch that enables CDR text file export entirely. Without it set to On, no CDR text files are created at all. <strong>SS_CDR_RECORD_NONCONNECT<\/strong> only takes effect when SS_CDR_RECORD_TO_FILE is already On \u2014 it controls whether zero-duration call records (failed calls, busy signals, no-answer attempts) are included in the exported text files. When SS_CDR_RECORD_NONCONNECT is Off, only connected calls with non-zero hold time appear in the export.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-where-are-vos-3000-cdr-text-files-stored\">\u2753 Where are VOS3000 CDR text files stored?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcc2 VOS3000 CDR text files are stored in the <code>cdr\/<\/code> directory under the VOS3000 installation path. Each file is named using the format YYYYMMDDHH.txt, where each file contains all CDRs for calls that ended during that specific hour. For example, the file <code>2026042612.txt<\/code> contains all CDRs for calls that ended between 12:00:00 and 12:59:59 on April 26, 2026. This file structure is documented in the official VOS3000 manual \u00a74.4 (page 241).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-can-i-export-historical-cdr-data-that-was-generated-before-enabling-text-file-export\">\u2753 Can I export historical CDR data that was generated before enabling text file export?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udccb No, the VOS3000 CDR text file export only generates files for new calls after the feature is enabled. Historical CDR data that was generated while SS_CDR_RECORD_TO_FILE was Off is only available through the VOS3000 client CDR query interface or by querying the MySQL database directly. If you need to export historical data, use the CDR query function in the client and export the results manually. This is why it is strongly recommended to enable SS_CDR_RECORD_TO_FILE from the very first day of deployment.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-how-much-disk-space-do-vos-3000-cdr-text-files-consume\">\u2753 How much disk space do VOS3000 CDR text files consume?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcbe Disk space consumption depends entirely on your call volume. Each CDR record is approximately 200\u2013350 bytes in the pipe-delimited text format. A system processing 100,000 calls per day would generate roughly 25\u201335 MB of CDR text data per day, or about 1 GB per month. With the default SERVER_CDR_FILE_WRITE_MAX of 2048 files (roughly 85 days of retention), a mid-traffic system would need approximately 3\u20134 GB of dedicated disk space for CDR files. Always monitor disk usage and configure <a href=\"https:\/\/multahost.com\/blog\/vos3000-monitoring-alarm\/\">VOS3000 disk alarms<\/a> to receive alerts before space runs out.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-what-is-the-pipe-delimiter-character-used-in-vos-3000-cdr-text-files\">\u2753 What is the pipe delimiter character used in VOS3000 CDR text files?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd17 The VOS3000 CDR text file format uses the vertical bar or pipe character (<code>|<\/code>, ASCII 124) as the field delimiter. Each line in the file represents one call detail record, with fields separated by pipe characters. This format is widely supported by data processing tools, programming languages (Python, PHP, Perl), database import utilities (MySQL LOAD DATA INFILE), and spreadsheet applications. When parsing, always split on the pipe character and validate the expected field count.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udcde-need-expert-help-with-vos-3000-cdr-text-file-export\">\ud83d\udcde Need Expert Help with VOS3000 CDR Text File Export?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd27 Proper VOS3000 CDR text file export configuration ensures your billing data is complete, your audit trail is intact, and your external systems receive the call data they need. Whether you are setting up CDR export for the first time, troubleshooting missing records, or integrating CDR data with an external billing platform, expert guidance saves time and prevents costly data gaps. \ud83d\udcca<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcac <strong>WhatsApp:<\/strong> <a href=\"https:\/\/wa.me\/8801911119966\" target=\"_blank\" rel=\"noopener\">+8801911119966<\/a> \u2014 Get immediate assistance with VOS3000 CDR text file export setup, parsing, and integration. Our team specializes in VOS3000 softswitch configuration, billing system integration, and custom CDR analytics solutions. \ud83d\udd27<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd17 Learn more about related VOS3000 CDR and billing configurations:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/multahost.com\/blog\/vos3000-cdr-analysis-billing\/\">VOS3000 CDR Analysis and Billing<\/a> \u2014 Complete guide to analyzing CDR data for revenue optimization<\/li>\n\n\n\n<li><a href=\"https:\/\/multahost.com\/blog\/vos3000-billing-system\/\">VOS3000 Billing System<\/a> \u2014 Overview of the entire VOS3000 billing architecture<\/li>\n\n\n\n<li><a href=\"https:\/\/multahost.com\/blog\/vos3000-zero-duration-cdr\/\">VOS3000 Zero Duration CDR<\/a> \u2014 Managing zero-duration call records during DDoS and flood attacks<\/li>\n\n\n\n<li><a href=\"https:\/\/multahost.com\/blog\/illegal-call-in-vos3000-server-how-to-stop-illegal-call-is-it-important\/\">Illegal Call Detection in VOS3000<\/a> \u2014 How SS_CDR_RECORD_ILLEGAL captures unauthorized call attempts<\/li>\n\n\n\n<li><a href=\"https:\/\/multahost.com\/blog\/vos3000-cdr-billing-discrepancy\/\">VOS3000 CDR Billing Discrepancy<\/a> \u2014 Troubleshooting billing differences between CDR and rate tables<\/li>\n\n\n\n<li><a href=\"https:\/\/multahost.com\/blog\/vos3000-data-report\/\">VOS3000 Data Report<\/a> \u2014 Using VOS3000 reporting tools for traffic and revenue analysis<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udcde-need-call-center-setup-support\">\ud83d\udcde Need Professional VOS3000 Setup Support?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For professional VOS3000 installations and deployment, VOS3000 Server Rental Solution:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcf1 <strong>WhatsApp:<\/strong> <a href=\"https:\/\/wa.me\/8801911119966\" target=\"_blank\" rel=\"noopener\">+8801911119966<\/a><br>\ud83c\udf10 <strong>Website:<\/strong> <a href=\"https:\/\/www.vos3000.com\" target=\"_blank\" rel=\"noopener\">www.vos3000.com<\/a><br>\ud83c\udf10 <strong>Blog:<\/strong> <a href=\"https:\/\/multahost.com\/blog\">multahost.com\/blog<\/a><br>\ud83d\udce5 <strong>Downloads:<\/strong> <a href=\"https:\/\/www.vos3000.com\/downloads.php\" target=\"_blank\" rel=\"noopener\">VOS3000 Downloads<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><img data-recalc-dims=\"1\" height=\"540\" width=\"809\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Real-Time-CDR-Forwarding-VOS3000-CDR-Query-Blackout-VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export-VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes.png?resize=809%2C540\" alt=\"VOS3000 CDR File Rotation, VOS3000 Real-Time CDR Forwarding, VOS3000 CDR Query Blackout, VOS3000 CDR Query Date Range, VOS3000 CDR Text File Export, VOS3000 CDR Pipe Format, VOS3000 CDR Billing Mode Codes, VOS3000 CDR End Direction Critical\" title=\"\"><\/td><td><img data-recalc-dims=\"1\" height=\"540\" width=\"809\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Real-Time-CDR-Forwarding-VOS3000-CDR-Query-Blackout-VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export-VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes.png?resize=809%2C540\" alt=\"VOS3000 CDR File Rotation, VOS3000 Real-Time CDR Forwarding, VOS3000 CDR Query Blackout, VOS3000 CDR Query Date Range, VOS3000 CDR Text File Export, VOS3000 CDR Pipe Format, VOS3000 CDR Billing Mode Codes, VOS3000 CDR End Direction Critical\" title=\"\"><\/td><td><img data-recalc-dims=\"1\" height=\"540\" width=\"809\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Real-Time-CDR-Forwarding-VOS3000-CDR-Query-Blackout-VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export-VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes.png?resize=809%2C540\" alt=\"VOS3000 CDR File Rotation, VOS3000 Real-Time CDR Forwarding, VOS3000 CDR Query Blackout, VOS3000 CDR Query Date Range, VOS3000 CDR Text File Export, VOS3000 CDR Pipe Format, VOS3000 CDR Billing Mode Codes, VOS3000 CDR End Direction Critical\" title=\"\"><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Master VOS3000 CDR text file export with SS_CDR_RECORD_TO_FILE and SS_CDR_RECORD_NONCONNECT. Configure pipe-delimited CDR output, file rotation, and non-connected call logging.<\/p>\n","protected":false},"author":1,"featured_media":3266,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[2],"tags":[9500,9494,9483,9498,9488,9485,9495,9474,9487,9478,9476,9472,9496,9470,9492,9481,9490,9486,9489,9466,9419,9479,9468,9464,9463,9480,9471,9415,4547,9416,9473,9499,9484,9493,9465,9442,9296,9469,9482,9414,9477,9407,9467,9491,9475,8262,3124,9497],"class_list":["post-3275","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vos3000","tag-billing-cdr-text-output","tag-call-detail-record-export","tag-call-detail-record-text-file","tag-call-record-text-format","tag-call-record-text-output","tag-cdr-export-configuration","tag-cdr-file-management","tag-cdr-file-naming-convention","tag-cdr-file-storage-path","tag-cdr-file-write-interval","tag-cdr-hold-time-zero-records","tag-cdr-pipe-format-export","tag-cdr-record-to-file","tag-cdr-text-export-setup","tag-cdr-text-file-location","tag-cdr-yyyymmddhh-format","tag-cdr-zero-duration-export","tag-external-billing-cdr","tag-pipe-separator-cdr","tag-pipe-delimited-cdr-format","tag-server_cdr_file_write_interval","tag-softswitch-cdr-export","tag-ss_cdr_record_illegal","tag-ss_cdr_record_nonconnect","tag-ss_cdr_record_to_file","tag-vos3000-billing-record-file","tag-vos3000-call-record-file","tag-vos3000-cdr-analytics","tag-vos3000-cdr-backup","tag-vos3000-cdr-data-extraction","tag-vos3000-cdr-directory","tag-vos3000-cdr-external-system","tag-vos3000-cdr-field-delimiter","tag-vos3000-cdr-field-mapping","tag-vos3000-cdr-file-export","tag-vos3000-cdr-hourly-file","tag-vos3000-cdr-integration","tag-vos3000-cdr-log-configuration","tag-vos3000-cdr-parsing","tag-vos3000-cdr-reporting","tag-vos3000-cdr-rotation","tag-vos3000-cdr-text-file-export","tag-vos3000-cdr-txt-file","tag-vos3000-illegal-call-cdr","tag-vos3000-non-connected-cdr","tag-vos3000-operation-management","tag-vos3000-softswitch-parameters","tag-vos3000-voip-cdr"],"acf":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-CDR-File-Rotation-VOS3000-Real-Time-CDR-Forwarding-VOS3000-CDR-Query-Blackout-VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export.png?fit=1536%2C1024&ssl=1?v=1777165609","jetpack-related-posts":[{"id":3267,"url":"https:\/\/multahost.com\/blog\/vos3000-cdr-file-rotation\/","url_meta":{"origin":3275,"position":0},"title":"VOS3000 CDR File Rotation Robust Backup Write Interval Best Configuration","author":"king","date":"April 26, 2026","format":false,"excerpt":"Master VOS3000 CDR file rotation with SERVER_CDR_FILE_WRITE_INTERVAL and SERVER_CDR_FILE_WRITE_MAX. Configure backup CDR write intervals, rotation size, and prevent disk overflow during high call volumes.","rel":"","context":"In &quot;VOS3000&quot;","block_context":{"text":"VOS3000","link":"https:\/\/multahost.com\/blog\/category\/vos3000\/"},"img":{"alt_text":"VOS3000 CDR File Rotation, VOS3000 Real-Time CDR Forwarding, VOS3000 CDR Query Blackout, VOS3000 CDR Query Date Range, VOS3000 CDR Text File Export, VOS3000 CDR Pipe Format, VOS3000 CDR Billing Mode Codes, VOS3000 CDR End Direction Critical","src":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export-VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes-VOS3000-CDR-End-Direction-Critical-1.png?fit=1200%2C628&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export-VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes-VOS3000-CDR-End-Direction-Critical-1.png?fit=1200%2C628&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export-VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes-VOS3000-CDR-End-Direction-Critical-1.png?fit=1200%2C628&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export-VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes-VOS3000-CDR-End-Direction-Critical-1.png?fit=1200%2C628&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export-VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes-VOS3000-CDR-End-Direction-Critical-1.png?fit=1200%2C628&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":3276,"url":"https:\/\/multahost.com\/blog\/vos3000-cdr-pipe-format\/","url_meta":{"origin":3275,"position":1},"title":"VOS3000 CDR Pipe Format Definitive 18-Field Important Reference Guide","author":"king","date":"April 26, 2026","format":false,"excerpt":"Master the VOS3000 CDR pipe format with this definitive 18-field reference. Learn every pipe-delimited field, data type, example value, and external system mapping.","rel":"","context":"In &quot;VOS3000&quot;","block_context":{"text":"VOS3000","link":"https:\/\/multahost.com\/blog\/category\/vos3000\/"},"img":{"alt_text":"VOS3000 CDR File Rotation, VOS3000 Real-Time CDR Forwarding, VOS3000 CDR Query Blackout, VOS3000 CDR Query Date Range, VOS3000 CDR Text File Export, VOS3000 CDR Pipe Format, VOS3000 CDR Billing Mode Codes, VOS3000 CDR End Direction Critical","src":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes-VOS3000-CDR-End-Direction-Critical.png?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes-VOS3000-CDR-End-Direction-Critical.png?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes-VOS3000-CDR-End-Direction-Critical.png?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes-VOS3000-CDR-End-Direction-Critical.png?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-CDR-Pipe-Format-VOS3000-CDR-Billing-Mode-Codes-VOS3000-CDR-End-Direction-Critical.png?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":3270,"url":"https:\/\/multahost.com\/blog\/vos3000-real-time-cdr-forwarding\/","url_meta":{"origin":3275,"position":2},"title":"VOS3000 Real-Time CDR Forwarding Advanced External Server Easy Integration","author":"king","date":"April 26, 2026","format":false,"excerpt":"Configure VOS3000 real-time CDR forwarding with SERVER_CDR_REAL_TIME_REPORT_SERVER. Forward call records to external billing servers, fraud detection platforms, and analytics systems instantly.","rel":"","context":"In &quot;VOS3000&quot;","block_context":{"text":"VOS3000","link":"https:\/\/multahost.com\/blog\/category\/vos3000\/"},"img":{"alt_text":"VOS3000 CDR File Rotation, VOS3000 Real-Time CDR Forwarding, VOS3000 CDR Query Blackout, VOS3000 CDR Query Date Range, VOS3000 CDR Text File Export, VOS3000 CDR Pipe Format, VOS3000 CDR Billing Mode Codes, VOS3000 CDR End Direction Critical","src":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Real-Time-CDR-Forwarding-VOS3000-CDR-Query-Blackout-VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export.png?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Real-Time-CDR-Forwarding-VOS3000-CDR-Query-Blackout-VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export.png?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Real-Time-CDR-Forwarding-VOS3000-CDR-Query-Blackout-VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export.png?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Real-Time-CDR-Forwarding-VOS3000-CDR-Query-Blackout-VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export.png?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Real-Time-CDR-Forwarding-VOS3000-CDR-Query-Blackout-VOS3000-CDR-Query-Date-Range-VOS3000-CDR-Text-File-Export.png?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":3535,"url":"https:\/\/multahost.com\/blog\/vos3000-recent-cdr-query-complete\/","url_meta":{"origin":3275,"position":3},"title":"VOS3000 Recent CDR Query: Complete Real-Time Call Record Access Easy Guide","author":"king","date":"May 2, 2026","format":false,"excerpt":"Master VOS3000 recent CDR query with this complete guide. 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