Alarm Event<\/strong><\/td>System alarm triggered<\/td> Monitoring integration<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\u2699\ufe0f Setting Up VOS3000 Webhook Callback Configuration<\/h2>\n\n\n\n Reference: VOS3000 Web API Manual, Section on Callback Configuration<\/p>\n\n\n\n
VOS3000 webhook callback configuration requires setting up the callback URL and parameters in the system configuration. The exact method depends on your VOS3000 version and whether you are using the built-in callback feature or the Web API.<\/p>\n\n\n\n
\ud83d\udd27 Configuration Methods<\/h3>\n\n\n\n\u2699\ufe0f Method<\/th> \ud83d\udccb Description<\/th> \ud83d\udca1 Best For<\/th><\/tr><\/thead> System Parameters<\/strong><\/td>Configure via VOS3000 client<\/td> Basic callback setup<\/td><\/tr> Web API<\/strong><\/td>API-based configuration<\/td> Advanced integrations<\/td><\/tr> Configuration Files<\/strong><\/td>Direct file modification<\/td> Custom deployments<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\ud83d\udcdd VOS3000 Webhook Callback Configuration Parameters<\/h3>\n\n\n\n\u2699\ufe0f Parameter<\/th> \ud83d\udccb Purpose<\/th> \ud83d\udcdd Example<\/th><\/tr><\/thead> Callback URL<\/strong><\/td>Destination for webhook POST<\/td> https:\/\/api.yourdomain.com\/webhook<\/td><\/tr> Callback Enabled<\/strong><\/td>Enable\/disable callbacks<\/td> true\/false<\/td><\/tr> Callback Timeout<\/strong><\/td>Request timeout in seconds<\/td> 30<\/td><\/tr> Retry Count<\/strong><\/td>Failed callback retry attempts<\/td> 3<\/td><\/tr> Secret Key<\/strong><\/td>HMAC signature secret<\/td> your-secret-key-here<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\ud83d\udce8 CDR Callback Configuration for VOS3000<\/h2>\n\n\n\n CDR (Call Detail Record) callback is one of the most commonly used webhook types in VOS3000 webhook callback configuration. It enables real-time notification of call completion events, allowing external systems to process billing, analytics, and reporting immediately after each call ends.<\/p>\n\n\n\n
\ud83d\udcca CDR Callback Payload Structure<\/h3>\n\n\n\n{\n \"event\": \"cdr\",\n \"timestamp\": \"2026-04-09T14:30:45Z\",\n \"data\": {\n \"call_id\": \"12345678\",\n \"caller_id\": \"8801712345678\",\n \"called_id\": \"447911123456\",\n \"start_time\": \"2026-04-09T14:28:15Z\",\n \"answer_time\": \"2026-04-09T14:28:18Z\",\n \"end_time\": \"2026-04-09T14:30:45Z\",\n \"duration\": 150,\n \"bill_duration\": 147,\n \"rate\": \"0.0150\",\n \"cost\": \"0.0368\",\n \"currency\": \"USD\",\n \"account_id\": \"CLIENT001\",\n \"gateway_id\": \"GW001\",\n \"disconnect_reason\": \"Normal\",\n \"codec\": \"G729\"\n }\n}\n<\/pre>\n\n\n\n\ud83d\udd27 CDR Callback Configuration Steps<\/h3>\n\n\n\n\ud83d\udd22 Step<\/th> \ud83d\udccb Action<\/th> \ud83d\udcdd Details<\/th><\/tr><\/thead> 1<\/strong><\/td>Create Endpoint<\/td> Set up HTTPS endpoint on your server<\/td><\/tr> 2<\/strong><\/td>Configure URL<\/td> Enter callback URL in VOS3000 settings<\/td><\/tr> 3<\/strong><\/td>Set Secret<\/td> Configure HMAC secret for security<\/td><\/tr> 4<\/strong><\/td>Test Callback<\/td> Make test call and verify receipt<\/td><\/tr> 5<\/strong><\/td>Monitor Logs<\/td> Check VOS3000 callback logs for errors<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\ud83d\udcb0 Balance Alert Webhook Configuration<\/h2>\n\n\n\n Balance alert webhooks are essential for VOS3000 webhook callback configuration to notify external systems when account balances fall below configured thresholds. This enables proactive customer communication and automated recharge workflows.<\/p>\n\n\n\n
\ud83d\udcca Balance Alert Callback Payload<\/h3>\n\n\n\n{\n \"event\": \"balance_alert\",\n \"timestamp\": \"2026-04-09T14:35:00Z\",\n \"data\": {\n \"account_id\": \"CLIENT001\",\n \"account_type\": \"prepaid\",\n \"current_balance\": \"15.50\",\n \"currency\": \"USD\",\n \"alert_threshold\": \"20.00\",\n \"alert_type\": \"low_balance\",\n \"credit_limit\": \"0.00\"\n }\n}\n<\/pre>\n\n\n\n\u2699\ufe0f Balance Alert Configuration Options<\/h3>\n\n\n\n\u2699\ufe0f Setting<\/th> \ud83d\udccb Purpose<\/th> \ud83d\udca1 Recommendation<\/th><\/tr><\/thead> Alert Threshold<\/strong><\/td>Balance level to trigger alert<\/td> Based on average daily usage<\/td><\/tr> Alert Frequency<\/strong><\/td>How often alerts are sent<\/td> Once per day per account<\/td><\/tr> Multiple Thresholds<\/strong><\/td>Different warning levels<\/td> $50, $20, $10 for escalation<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\ud83d\udd10 Security Best Practices for VOS3000 Webhook Callback Configuration<\/h2>\n\n\n\n Security is paramount in VOS3000 webhook callback configuration because callbacks transmit sensitive call and billing data. Implementing robust security measures protects your system and customer data from unauthorized access and tampering.<\/p>\n\n\n\n
\ud83d\udee1\ufe0f Security Implementation Checklist<\/h3>\n\n\n\n\ud83d\udee1\ufe0f Security Measure<\/th> \ud83d\udccb Implementation<\/th> \u26a1 Purpose<\/th><\/tr><\/thead> HTTPS Only<\/strong><\/td>Use TLS 1.2+ endpoints<\/td> Encrypt data in transit<\/td><\/tr> HMAC Signature<\/strong><\/td>Sign payloads with secret key<\/td> Verify authenticity<\/td><\/tr> IP Whitelisting<\/strong><\/td>Accept only from VOS3000 IPs<\/td> Prevent unauthorized requests<\/td><\/tr> Timestamp Validation<\/strong><\/td>Reject old callbacks<\/td> Prevent replay attacks<\/td><\/tr> Token Authentication<\/strong><\/td>Include auth token in URL<\/td> Additional auth layer<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\ud83d\udcdd HMAC Signature Verification Example<\/h3>\n\n\n\n\/\/ PHP Example for HMAC Verification\n$secret = 'your-secret-key';\n$payload = file_get_contents('php:\/\/input');\n$signature = $_SERVER['HTTP_X_VOS3000_SIGNATURE'];\n\n$expected_signature = hash_hmac('sha256', $payload, $secret);\n\nif (!hash_equals($expected_signature, $signature)) {\n http_response_code(401);\n exit('Invalid signature');\n}\n\n\/\/ Process the verified webhook\n$data = json_decode($payload, true);\n\/\/ ... handle the callback\n<\/pre>\n\n\n\n\ud83d\udd04 Error Handling and Retry Logic<\/h2>\n\n\n\n Robust error handling is essential for VOS3000 webhook callback configuration to ensure reliable delivery of critical notifications. When callbacks fail, proper retry logic ensures that important events are not lost.<\/p>\n\n\n\n
\ud83d\udcca Callback Retry Configuration<\/h3>\n\n\n\n\u2699\ufe0f Setting<\/th> \ud83d\udccb Purpose<\/th> \u2705 Recommended<\/th><\/tr><\/thead> Max Retries<\/strong><\/td>Number of retry attempts<\/td> 3-5 attempts<\/td><\/tr> Retry Interval<\/strong><\/td>Time between retries<\/td> Exponential backoff<\/td><\/tr> Timeout<\/strong><\/td>Request timeout duration<\/td> 30 seconds<\/td><\/tr> Dead Letter Queue<\/strong><\/td>Store failed callbacks<\/td> Enable for debugging<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\ud83d\udd0c Integration Examples for VOS3000 Webhook Callback Configuration<\/h2>\n\n\n\n VOS3000 webhook callback configuration enables integration with various external systems. Here are common integration scenarios and implementation approaches.<\/p>\n\n\n\n
\ud83c\udfe2 CRM Integration<\/h3>\n\n\n\n\ud83d\udce1 Event<\/th> \ud83d\udccb CRM Action<\/th> \ud83d\udca1 Benefit<\/th><\/tr><\/thead> Call End (CDR)<\/strong><\/td>Log call in contact history<\/td> Complete customer view<\/td><\/tr> Low Balance<\/strong><\/td>Create support ticket<\/td> Proactive outreach<\/td><\/tr> New Account<\/strong><\/td>Create CRM record<\/td> Automatic synchronization<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\ud83d\udcb0 Billing System Integration<\/h3>\n\n\n\n