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:spa1@192.168.0.2:5062 SIP/2.0^M Via: SIP/2.0/UDP sip.voip-info.org:5060;branch=z9hG4bK59077dcb^M From: "asterisk" <sip:asterisk@sip.voip-info.org>;tag=as5acb0ca5^M To: <sip:spa1@192.168.0.2:5062>^M Contact: <sip:asterisk@sip.voip-info.org>^M Call-ID: 1e19743c6230995e017930747787c4d6@sip.voip-info.org^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:spa1@192.168.0.2:5062>;tag=f50f7de08918d3b0i0^M From: "asterisk" <sip:asterisk@sip.voip-info.org>;tag=as5acb0ca5^M Call-ID: 1e19743c6230995e017930747787c4d6@sip.voip-info.org^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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