[asterisk-bugs] [JIRA] (ASTERISK-26769) T38 information during session progress are not sent to client

Asterisk Team (JIRA) noreply at issues.asterisk.org
Mon Feb 6 06:42:10 CST 2017 

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=235077#comment-235077 ] 

Asterisk Team commented on ASTERISK-26769:
------------------------------------------

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].

> T38 information during session progress are not sent to client
> --------------------------------------------------------------
>
>                 Key: ASTERISK-26769
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26769
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip
>    Affects Versions: 13.9.1
>         Environment: Linux 4.4.39
>            Reporter: Federico Santulli
>
> We are sending an invite with early media enabled. During the 183 Session Progress we do receive T38 availability information from the peer. These information are not sent back to the user registered on asterisk.
> Here is the SIP TRACE:
> U 2017/02/06 11:46:32.792320 10.10.10.23:5060 -> 10.10.10.6:5060
> INVITE sip:014436888 at 10.10.10.6 SIP/2.0.
> Via: SIP/2.0/UDP 10.10.10.23:5060;rport;branch=z9hG4bKPj9865ec86-cf71-43fb-9824-87434a978fe1.
> From: <sip:014429891 at 10.10.10.23>;tag=cc596c91-d59b-4372-9f5c-496917abb395.
> To: <sip:014436888 at 10.10.10.6>.
> Contact: <sip:asterisk at 10.10.10.23:5060>.
> Call-ID: f917dd62-1eb7-4d8d-a284-8e5a123cae01.
> CSeq: 29 INVITE.
> Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REFER, MESSAGE, REGISTER.
> Supported: 100rel, timer, replaces, norefersub.
> Session-Expires: 1800.
> Min-SE: 90.
> P-Asserted-Identity: <sip:014429891 at localhost;user=phone>.
> Remote-Party-ID: <sip:014429891 at localhost;user=phone>; party=calling; privacy=off; screen=yes.
> Max-Forwards: 70.
> User-Agent: Asterisk PBX v13.9.1.
> Content-Type: application/sdp.
> Content-Length:   230.
> .
> v=0.
> o=- 245657452 245657452 IN IP4 10.10.10.23.
> s=-.
> c=IN IP4 10.10.10.23.
> t=0 0.
> m=audio 10400 RTP/AVP 8 101.
> a=rtpmap:8 PCMA/8000.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-16.
> a=ptime:20.
> a=maxptime:150.
> a=sendrecv.
> U 2017/02/06 11:46:32.806085 10.10.10.6:5060 -> 10.10.10.23:5060
> SIP/2.0 100 Trying.
> Via: SIP/2.0/UDP 10.10.10.23:5060;received=10.10.10.23;rport=5060;branch=z9hG4bKPj9865ec86-cf71-43fb-9824-87434a978fe1.
> From: <sip:014429891 at 10.10.10.23>;tag=cc596c91-d59b-4372-9f5c-496917abb395.
> To: <sip:014436888 at 10.10.10.6>.
> Call-ID: f917dd62-1eb7-4d8d-a284-8e5a123cae01.
> CSeq: 29 INVITE.
> Content-Length: 0.
> .
> U 2017/02/06 11:46:34.903827 10.10.10.6:5060 -> 10.10.10.23:5060
> SIP/2.0 183 Session Progress.
> Via: SIP/2.0/UDP 10.10.10.23:5060;received=10.10.10.23;rport=5060;branch=z9hG4bKPj9865ec86-cf71-43fb-9824-87434a978fe1.
> From: <sip:014429891 at 10.10.10.23>;tag=cc596c91-d59b-4372-9f5c-496917abb395.
> To: <sip:014436888 at 10.10.10.6>;tag=SDngma399-3299127679723201726114632.
> Call-ID: f917dd62-1eb7-4d8d-a284-8e5a123cae01.
> CSeq: 29 INVITE.
> Server: CS2000_NGSS/8.0.
> Require: 100rel.
> Allow: ACK,BYE,CANCEL,INVITE,OPTIONS,INFO,SUBSCRIBE,REFER,NOTIFY,PRACK.
> RSeq: 654.
> Contact: <sip:10.10.10.6:5060;transport=UDP>.
> Supported: 100rel,resource-priority.
> Content-Type: application/sdp.
> Content-Length: 309.
> .
> v=0.
> o=PVG 1486376546850 1486376546850 IN IP4 10.10.10.6.
> s=-.
> p=+1 6135555555.
> c=IN IP4 10.10.10.6.
> t=0 0.
> a=sqn: 0.
> a=cdsc: 1 image udptl t38.
> a=cpar: a=T38FaxVersion:0.
> a=cpar: a=T38FaxUdpEC:t38UDPRedundancy.
> m=audio 26884 RTP/AVP 8 101.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-15.
> a=ptime:20.
> U 2017/02/06 11:46:34.904938 10.10.10.23:5060 -> 10.10.10.6:5060
> PRACK sip:10.10.10.6:5060;transport=UDP SIP/2.0.
> Via: SIP/2.0/UDP 10.10.10.23:5060;rport;branch=z9hG4bKPj1f82b815-81d1-41d3-bc53-de6459fa185c.
> From: <sip:014429891 at 10.10.10.23>;tag=cc596c91-d59b-4372-9f5c-496917abb395.
> To: <sip:014436888 at 10.10.10.6>;tag=SDngma399-3299127679723201726114632.
> Call-ID: f917dd62-1eb7-4d8d-a284-8e5a123cae01.
> CSeq: 30 PRACK.
> RAck: 654 29 INVITE.
> Max-Forwards: 70.
> User-Agent: Asterisk PBX v13.9.1.
> Content-Length:  0.
> .
> U 2017/02/06 11:46:34.906356 10.10.10.23:5060 -> 185.137.84.161:5060
> SIP/2.0 183 Session Progress.
> Via: SIP/2.0/UDP 185.137.84.161:5060;rport=5060;received=185.137.84.161;branch=z9hG4bK-69fc15a3.
> Call-ID: d758fb81-fdb64dff at 185.137.84.161.
> From: "0119896124" <sip:0119896124 at voip.asterisk.it>;tag=81ded99717c42c7o0.
> To: <sip:013184293 at voip.asterisk.it>;tag=b474dedb-6ac5-40b1-a1f9-53220ab064c5.
> CSeq: 102 INVITE.
> Server: Asterisk PBX v13.9.1.
> Contact: <sip:10.10.10.23:5060>.
> Allow: OPTIONS, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REFER, MESSAGE, REGISTER.
> P-Asserted-Identity: <sip:013184293 at voip.asterisk.it>.
> Remote-Party-ID: <sip:013184293 at voip.asterisk.it>;privacy=off;screen=no.
> Content-Type: application/sdp.
> Content-Length:   235.
> .
> v=0.
> o=- 37112077 37112079 IN IP4 10.10.10.23.
> s=Asterisk.
> c=IN IP4 10.10.10.23.
> t=0 0.
> m=audio 13214 RTP/AVP 8 101.
> a=rtpmap:8 PCMA/8000.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-16.
> a=ptime:20.
> a=maxptime:150.
> a=sendrecv.
> U 2017/02/06 11:46:34.922489 10.10.10.6:5060 -> 10.10.10.23:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 10.10.10.23:5060;received=10.10.10.23;rport=5060;branch=z9hG4bKPj1f82b815-81d1-41d3-bc53-de6459fa185c.
> From: <sip:014429891 at 10.10.10.23>;tag=cc596c91-d59b-4372-9f5c-496917abb395.
> To: <sip:014436888 at 10.10.10.6>;tag=SDngma399-3299127679723201726114632.
> Call-ID: f917dd62-1eb7-4d8d-a284-8e5a123cae01.
> CSeq: 30 PRACK.
> Server: CS2000_NGSS/8.0.
> Supported: 100rel,resource-priority.
> Allow: ACK,BYE,CANCEL,INVITE,OPTIONS,INFO,SUBSCRIBE,REFER,NOTIFY,PRACK.
> Content-Length: 0.



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