[asterisk-bugs] [JIRA] (ASTERISK-28299) 481 Call/Transaction Does Not Exist on receiving MESSAGE event

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=246270#comment-246270 ] 

Asterisk Team commented on ASTERISK-28299:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

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> 481 Call/Transaction Does Not Exist on receiving MESSAGE event
> --------------------------------------------------------------
>
>                 Key: ASTERISK-28299
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28299
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip
>    Affects Versions: 13.25.0
>            Reporter: Brian J. Murrell
>
> When my ITSP tries to send a (SIP SIMPLE) MESSAGE event to my Asterisk machine, Asterisk responds with {{SIP/2.0 481 Call/Transaction Does Not Exist}} which doesn't really make any sense to me for a single/one-off event like a MESSAGE event.  MESSAGE events don't seem to involve "transactions" which must exist.
> My ITSP configuration:
> {noformat}
> [trunk]
> type=registration
> transport=transport-udp
> outbound_auth=trunk-auth
> server_uri=sip:itsp.example.com
> client_uri=sip:userid at itsp.example.com
> [trunk-auth]
> type=auth
> auth_type=userpass
> password=********
> username=userid
> [trunk-endpoint](!)
> type=endpoint
> transport=transport-udp
> context=from-trunk
> message_context=messages
> disallow=all
> allow=ulaw
> from_user=userid
> outbound_auth=trunk-auth
> auth=trunk-auth
> send_pai=yes
> [trunk-aor](!)
> type=aor
> qualify_frequency=15
> [trunk-foo](trunk-endpoint)
> aors=trunk-foo
> [trunk-foo](trunk-aor)
> contact=sip:userid at itsp.example.com:5060
> [trunk-foo]
> type=identify
> endpoint=trunk-foo
> match=itsp.example.com
> {noformat}
> The SIP conversation when the ITSP is trying to send the MESSAGE:
> {noformat}
> <--- Received SIP request (456 bytes) from UDP:10.0.0.1:5060 --->
> MESSAGE sip:s at 10.75.22.8:5060 SIP/2.0
> Via: SIP/2.0/UDP 10.0.0.1:5060;branch=z9hG4bK51d6d4da;rport
> Max-Forwards: 70
> From: "5555551212" <sip:5555551212 at itsp.example.com>;tag=as6c34cb69
> To: <sip:s at 10.75.22.8:5060>
> Contact: <sip:5555551212 at 10.0.0.1:5060>
> Call-ID: 3e9735b4313e58f90b4b61c82f392c2e at 10.0.0.1:5060
> CSeq: 102 MESSAGE
> User-Agent: itsp.example.com
> X-SMS-To: 5551234567
> Content-Type: text/plain;charset=UTF-8
> Content-Length: 1
> test message
> <--- Transmitting SIP response (515 bytes) to UDP:10.0.0.1:5060 --->
> SIP/2.0 401 Unauthorized
> Via: SIP/2.0/UDP 10.0.0.1:5060;rport=5060;received=10.0.0.1;branch=z9hG4bK51d6d4da
> Call-ID: 3e9735b4313e58f90b4b61c82f392c2e at 10.0.0.1:5060
> From: "5555551212" <sip:5555551212 at itsp.example.com>;tag=as6c34cb69
> To: <sip:s at 10.75.22.8>;tag=z9hG4bK51d6d4da
> CSeq: 102 MESSAGE
> WWW-Authenticate: Digest realm="asterisk",nonce="1550441754/[redacted]",opaque="2c504a1035f74a1d",algorithm=md5,qop="auth"
> Server: Asterisk PBX 13.25.0
> Content-Length:  0
> <--- Received SIP request (707 bytes) from UDP:10.0.0.1:5060 --->
> MESSAGE sip:s at 10.75.22.8:5060 SIP/2.0
> Via: SIP/2.0/UDP 10.0.0.1:5060;branch=z9hG4bK516e2ba7;rport
> Max-Forwards: 70
> From: "5555551212" <sip:5555551212 at itsp.example.com>;tag=as6c34cb69
> To: <sip:s at 10.75.22.8:5060>;tag=z9hG4bK51d6d4da
> Call-ID: 3e9735b4313e58f90b4b61c82f392c2e at 10.0.0.1:5060
> CSeq: 103 MESSAGE
> User-Agent: itsp.example.com
> Proxy-Authorization: Digest username="userid", realm="asterisk", algorithm=MD5, uri="sip:s at 172.1.2.3:5060", nonce="1550441754/[redacted]", response="[redacted]", opaque="2c504a1035f74a1d", qop=auth, cnonce="544772bb", nc=00000002
> X-SMS-To: 5551234567
> Content-Type: text/plain;charset=UTF-8
> Content-Length: 1
> c
> <--- Transmitting SIP response (388 bytes) to UDP:10.0.0.1:5060 --->
> SIP/2.0 481 Call/Transaction Does Not Exist
> Via: SIP/2.0/UDP 10.0.0.1:5060;rport=5060;received=10.0.0.1;branch=z9hG4bK516e2ba7
> Call-ID: 3e9735b4313e58f90b4b61c82f392c2e at 10.0.0.1:5060
> From: "5555551212" <sip:5555551212 at itsp.example.com>;tag=as6c34cb69
> To: <sip:s at 10.75.22.8>;tag=z9hG4bK51d6d4da
> CSeq: 103 MESSAGE
> Server: Asterisk PBX 13.25.0
> Content-Length:  0
> {noformat}



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