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Summary:ASTERISK-30387: res_pjsip_dialog_info_body_generator: Does not support call pickup
Reporter:Michael Newton (miken32)Labels:
Date Opened:2023-01-04 16:09:24.000-0600Date Closed:
Priority:MinorRegression?
Status:Open/NewComponents:Resources/res_pjsip_dialog_info_body_generator
Versions:16.29.1 Frequency of
Occurrence
Constant
Related
Issues:
Environment:Attachments:
Description:The patch that closed ASTERISK-24601 failed to add the {{call-id}}, {{local-tag}}, and {{remote-tag}} attributes to the {{<dialog>}} element, which were previously present in chan_sip. This omission prevents native call pickup from working with Polycom phones.

SIP message with chan_sip:
{noformat}
NOTIFY sip:7141@192.168.0.117 SIP/2.0
Via: SIP/2.0/UDP 12.34.56.78:5060;branch=z9hG4bK2768e541;rport
Max-Forwards: 70
From: <sip:7040@pbx.example.ca>;tag=as797100f8
To: "7141" <sip:7141@pbx.example.ca>;tag=DF4A420E-5CE317BB
Contact: <sip:7040@12.34.56.78:5060>
Call-ID: 631012da4d0d149cfdc6736329a44e18
CSeq: 115 NOTIFY
User-Agent: FPBX-15.0.24(13.29.2)
Subscription-State: active
Event: dialog
Content-Type: application/dialog-info+xml
Content-Length: 615

<?xml version="1.0"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="13" state="full" entity="sip:7040@pbx.example.ca">
       <dialog id="7040" call-id="pickup-631012da4d0d149cfdc6736329a44e18" local-tag="DF4A420E-5CE317BB" remote-tag="as797100f8" direction="recipient">
               <remote>
                       <identity display="+12505551212">sip:2505551212@pbx.example.ca</identity>
                       <target uri="sip:2505551212@pbx.example.ca"/>
               </remote>
               <local>
                       <identity display="Mike">sip:7040@pbx.example.ca</identity>
                       <target uri="sip:7040@pbx.example.ca"/>
               </local>
               <state>early</state>
       </dialog>
</dialog-info>
{noformat}

Message format with chan_pjsip:
{noformat}
NOTIFY sip:7141@56.78.90.12:5060 SIP/2.0
Via: SIP/2.0/UDP 12.34.56.78:5060;rport;branch=z9hG4bKPjcdd2ab84-8417-42fa-ae14-b18e7b8e2366
From: <sip:7040@pbx.example.ca>;tag=09f61a19-a986-4a75-91ed-81059ee9e2f8
To: "7141" <sip:7141@pbx.example.ca>;tag=22CF8F07-6565921C
Contact: <sip:12.34.56.78:5060>
Call-ID: e2eaf295988a9c3643e3adb561a44e18
CSeq: 2184 NOTIFY
Event: dialog
Subscription-State: active;expires=3516
Allow-Events: presence, dialog, message-summary, refer
Max-Forwards: 70
User-Agent: FPBX-16.0.28(16.28.0)
Content-Type: application/dialog-info+xml
Content-Length:   553

<?xml version="1.0" encoding="UTF-8"?>
<dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="1" state="full" entity="sip:7040@pbx.example.ca">
       <dialog id="7040" direction="recipient">
               <remote>
                       <identity display="+12505551212">sip:2505551212@pbx.example.ca</identity>
                       <target uri="sip:2505551212@pbx.example.ca"/>
               </remote>
               <local>
                       <identity display="Mike">sip:7040@pbx.example.ca</identity>
                       <target uri="sip:7040@pbx.example.ca"/>
               </local>
               <state>early</state>
       </dialog>
</dialog-info>
{noformat}
Comments:By: Asterisk Team (asteriskteam) 2023-01-04 16:09:24.910-0600

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. Please note that log messages and other files should not be sent to the Sangoma Asterisk Team unless explicitly asked for. All files should be placed on this issue in a sanitized fashion as needed.

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By: Joshua C. Colp (jcolp) 2023-03-21 17:15:41.617-0500

Is there a particular reason you changed the issue type?

By: Michael Newton (miken32) 2023-03-21 18:15:25.336-0500

It's a regression from previous behaviour, has broken a feature that was previously working, and ASTERISK-24601 was marked as a bug (a major one at that) so it didn't seem out of line. Just got back into our chan_pjsip migration testing and was reminded of it.

By: Joshua C. Colp (jcolp) 2023-03-22 03:50:43.491-0500

Previously working in chan_sip. It's never worked in chan_pjsip since it hasn't existed there, but fine - I'll leave it as a bug.