Message Waiting Indicator
Here is a syslog entry capturing the SIP message exchange from a SIP Proxy to an SPA updating information to the SPA about possible Message Waiting Indications.
Assumptions:
- SIP Port: 5062 (SPA SIP Port)
- SIP Proxy Server: sip.voip-info.org
- SPA IP address: 192.168.0.2
- Syslog Server IP: 192.168.0.100
- User ID: spa1
- Display Name: Good Body
Jan 20 16:46:25 192.168.0.2 NOTIFY sip:[email protected]:5062 SIP/2.0^M Via: SIP/2.0/UDP sip.voip-info.org:5060;branch=z9hG4bK59077dcb^M From: “asterisk” <sip:[email protected]>;tag=as5acb0ca5^M To: <sip:[email protected]:5062>^M Contact: <sip:[email protected]>^M Call-ID: [email protected]^M CSeq: 102 NOTIFY^M User-Agent: Asterisk PBX^M Event: message-summary^M Content-Type: application/simple-message-summary^M Content-Length: 42^M ^M Messages-Waiting: no^M Voice-Message: 0/0^M
Jan 20 16:46:25 192.168.0.2 SIP/2.0 200 OK^M To: <sip:[email protected]:5062>;tag=f50f7de08918d3b0i0^M From: “asterisk” <sip:[email protected]>;tag=as5acb0ca5^M Call-ID: [email protected]^M CSeq: 102 NOTIFY^M Via: SIP/2.0/UDP sip.voip-info.org:5060;branch=z9hG4bK59077dcb^M Server: Sipura/SPA3000-2.0.13(GWg)^M Content-Length: 0^M ^M
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