Sample Messages
In compliance with RFC 5589, the NOTIFY message with 100 Trying as the message body looks like the sample below. Note that the expires value in the subscription state header is populated with a value that equals 2* TIMER C, where the default value of TIMER C is 180000 milliseconds.
NOTIFY sips:4889445d8kjtk3@atlanta.example.com;gr=723jd2d SIP/2.0 Via: SIP/2.0/TLS 192.0.2.4;branch=z9hG4bKnas432 Max-Forwards: 70 To: <sips:transferor@atlanta.example.com>;tag=1928301774 From: <sips:3ld812adkjw@biloxi.example.com;gr=3413kj2ha>;tag=a6c85cf Call-ID: a84b4c76e66710 CSeq: 73 NOTIFY Contact: <sips:3ld812adkjw@biloxi.example.com;gr=3413kj2ha> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY Supported: replaces, tdialog Event: refer Subscription-State: active;expires=360 Content-Type: message/sipfrag Content-Length: ... SIP/2.0 100 Trying
Also in compliance with RFC 5589, the NOTIFY message with 180 Ringing as the message body looks like the sample below. Again, the expires value in the subscription state header is populated with a value that equals 2* TIMER C, where the default value of TIMER C is 180000 milliseconds.
NOTIFY sips:4889445d8kjtk3@atlanta.example.com;gr=723jd2d SIP/2.0 Via: SIP/2.0/TLS 192.0.2.4;branch=z9hG4bKnas432 Max-Forwards: 70 To: <sips:transferor@atlanta.example.com>;tag=1928301774 From: <sips:3ld812adkjw@biloxi.example.com;gr=3413kj2ha>;tag=a6c85cf Call-ID: a84b4c76e66710 CSeq: 73 NOTIFY Contact: <sips:3ld812adkjw@biloxi.example.com;gr=3413kj2ha> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY Supported: replaces, tdialog Event: refer Subscription-State: active;expires=360 Content-Type: message/sipfrag Content-Length: ... SIP/2.0 180 Ringing
Also in compliance with RFC 5589, the NOTIFY message with 200 OK as the message body looks like the sample below.
NOTIFY sips:4889445d8kjtk3@atlanta.example.com;gr=723jd2d SIP/2.0 Via: SIP/2.0/TLS 192.0.2.4;branch=z9hG4bKnas432 Max-Forwards: 70 To: <sips:transferor@atlanta.example.com>;tag=1928301774 From: <sips:3ld812adkjw@biloxi.example.com;gr=3413kj2ha>;tag=a6c85cf Call-ID: a84b4c76e66710 CSeq: 74 NOTIFY Contact: <sips:3ld812adkjw@biloxi.example.com;gr=3413kj2ha> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY Supported: replaces, tdialog Event: refer Subscription-State: terminated;reason=noresource Content-Type: message/sipfrag Content-Length: ... SIP/2.0 200 OK
