Kamailio not send NOTIFY for the state of the subscription when using Event: dialog (BLF)
Hello, The initial NOTIFY that shows the server accepts our subscription is not sent:
SUBSCRIBE sip:002@10.7.2.22;transport=TCP SIP/2.0. Via: SIP/2.0/TCP 10.2.4.38:63718 ;branch=z9hG4bK-524287-1---837a95d50bef81d4;rport. Max-Forwards: 70. Contact: sip:444@10.2.4.38:63718;transport=TCP. To: sip:002@10.7.2.22;transport=TCP. From: sip:444@10.7.2.22;transport=TCP;tag=810bbd39. Call-ID: 8fMhJ4GnMrkSu8qxez70aw... CSeq: 1 SUBSCRIBE. Expires: 120. Accept: application/dialog-info+xml. Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, SUBSCRIBE. User-Agent: Z. Event: dialog. Allow-Events: presence, kpml, talk. Content-Length: 0. .
SIP/2.0 202 OK. Via: SIP/2.0/TCP 10.2.4.38:63718 ;branch=z9hG4bK-524287-1---837a95d50bef81d4;rport=63718;received=10.2.4.38. To: sip:002@10.7.2.22 ;transport=TCP;tag=339c21513a585618341888f199c2a0f6-c10d. From: sip:444@10.7.2.22;transport=TCP;tag=810bbd39. Call-ID: 8fMhJ4GnMrkSu8qxez70aw... CSeq: 1 SUBSCRIBE. Expires: 120. Contact: sip:10.7.2.22:5060;transport=tcp. Server: kamailio (5.1.1 (x86_64/linux)). Content-Length: 0. .
SIP/2.0 200 OK. Via: SIP/2.0/TCP 10.2.4.38:63718 ;branch=z9hG4bK-524287-1---5b9c08901116e843;rport=63718;received=10.2.4.38. To: sip:444@10.7.2.22 ;transport=TCP;tag=75017b5d51cabe3de4b519c896167ee7.88a9. From: sip:444@10.7.2.22;transport=TCP;tag=d831f844. Call-ID: p-vce2LWcasOPThxdFZP6A... CSeq: 3 REGISTER. Contact: sip:444@10.2.4.38:63718 ;transport=TCP;rinstance=045d4a61cf8385dc;expires=120. Server: kamailio (5.1.1 (x86_64/linux)). Content-Length: 0. .
NOTIFY sip:444@10.2.4.38:63718;transport=TCP SIP/2.0. Via: SIP/2.0/TCP 10.7.2.22;branch=z9hG4bK94d5.046c6940000000000000000000000000.0. To: sip:444@10.7.2.22;tag=810bbd39. From: sip:002@10.7.2.22;tag=339c21513a585618341888f199c2a0f6-c10d. CSeq: 2 NOTIFY. Call-ID: 8fMhJ4GnMrkSu8qxez70aw... Content-Length: 0. User-Agent: kamailio (5.1.1 (x86_64/linux)). Max-Forwards: 70. Event: dialog. Contact: sip:10.7.2.22:5060;transport=tcp. Subscription-State: terminated;reason=timeout. .
SIP/2.0 200 OK. Via: SIP/2.0/TCP 10.7.2.22;branch=z9hG4bK94d5.046c6940000000000000000000000000.0. Contact: sip:444@10.2.4.38:63718;transport=TCP. To: sip:444@10.7.2.22;tag=810bbd39. From: sip:002@10.7.2.22;tag=339c21513a585618341888f199c2a0f6-c10d. Call-ID: 8fMhJ4GnMrkSu8qxez70aw... CSeq: 2 NOTIFY. User-Agent: Z. Content-Length: 0.
Hi,
But the trace you pasted suggests that the NOTIFY was in fact sent?
On Wed, Mar 07, 2018 at 11:43:50AM +0200, Borislav Gergov wrote:
Hello, The initial NOTIFY that shows the server accepts our subscription is not sent:
SUBSCRIBE sip:002@10.7.2.22;transport=TCP SIP/2.0. Via: SIP/2.0/TCP 10.2.4.38:63718 ;branch=z9hG4bK-524287-1---837a95d50bef81d4;rport. Max-Forwards: 70. Contact: sip:444@10.2.4.38:63718;transport=TCP. To: sip:002@10.7.2.22;transport=TCP. From: sip:444@10.7.2.22;transport=TCP;tag=810bbd39. Call-ID: 8fMhJ4GnMrkSu8qxez70aw... CSeq: 1 SUBSCRIBE. Expires: 120. Accept: application/dialog-info+xml. Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, SUBSCRIBE. User-Agent: Z. Event: dialog. Allow-Events: presence, kpml, talk. Content-Length: 0. .
SIP/2.0 202 OK. Via: SIP/2.0/TCP 10.2.4.38:63718 ;branch=z9hG4bK-524287-1---837a95d50bef81d4;rport=63718;received=10.2.4.38. To: sip:002@10.7.2.22 ;transport=TCP;tag=339c21513a585618341888f199c2a0f6-c10d. From: sip:444@10.7.2.22;transport=TCP;tag=810bbd39. Call-ID: 8fMhJ4GnMrkSu8qxez70aw... CSeq: 1 SUBSCRIBE. Expires: 120. Contact: sip:10.7.2.22:5060;transport=tcp. Server: kamailio (5.1.1 (x86_64/linux)). Content-Length: 0. .
SIP/2.0 200 OK. Via: SIP/2.0/TCP 10.2.4.38:63718 ;branch=z9hG4bK-524287-1---5b9c08901116e843;rport=63718;received=10.2.4.38. To: sip:444@10.7.2.22 ;transport=TCP;tag=75017b5d51cabe3de4b519c896167ee7.88a9. From: sip:444@10.7.2.22;transport=TCP;tag=d831f844. Call-ID: p-vce2LWcasOPThxdFZP6A... CSeq: 3 REGISTER. Contact: sip:444@10.2.4.38:63718 ;transport=TCP;rinstance=045d4a61cf8385dc;expires=120. Server: kamailio (5.1.1 (x86_64/linux)). Content-Length: 0. .
NOTIFY sip:444@10.2.4.38:63718;transport=TCP SIP/2.0. Via: SIP/2.0/TCP 10.7.2.22;branch=z9hG4bK94d5.046c6940000000000000000000000000.0. To: sip:444@10.7.2.22;tag=810bbd39. From: sip:002@10.7.2.22;tag=339c21513a585618341888f199c2a0f6-c10d. CSeq: 2 NOTIFY. Call-ID: 8fMhJ4GnMrkSu8qxez70aw... Content-Length: 0. User-Agent: kamailio (5.1.1 (x86_64/linux)). Max-Forwards: 70. Event: dialog. Contact: sip:10.7.2.22:5060;transport=tcp. Subscription-State: terminated;reason=timeout. .
SIP/2.0 200 OK. Via: SIP/2.0/TCP 10.7.2.22;branch=z9hG4bK94d5.046c6940000000000000000000000000.0. Contact: sip:444@10.2.4.38:63718;transport=TCP. To: sip:444@10.7.2.22;tag=810bbd39. From: sip:002@10.7.2.22;tag=339c21513a585618341888f199c2a0f6-c10d. Call-ID: 8fMhJ4GnMrkSu8qxez70aw... CSeq: 2 NOTIFY. User-Agent: Z. Content-Length: 0.
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Borislav Gergov