I tried the same scenario with proxy-refer, and found that it's still the case that no UPDATE is sent to the Referee, but also that the UPDATE sent to the refer target is incorrect. I reported the latter bug to JIRA as FS-7080: https://freeswitch.org/jira/browse/FS-7080

I'm still unclear on whether I should expect the Referee to receive an UPDATE. I did see in mod_sofia.c that the nua_update calls are guarded by User-Agent checks, none of which appear to match the Grandstream: https://freeswitch.org/stash/projects/FS/repos/freeswitch/browse/src/mod/endpoints/mod_sofia/mod_sofia.c#1630

Perhaps that is the problem?

Thanks,
Joseph

On Tue, Dec 9, 2014 at 9:13 PM, Joseph Frazier <joseph@onsip.com> wrote:
The Referee is a "Grandstream GXV3275 1.0.2.15". For context, here's where it OKs the INVITE from the first call:

https://gist.github.com/joseph-onsip/de90a66afdf37994c334#file-gistfile1-txt-L1813-L1838

Thanks,
Joseph

On Tue, Dec 9, 2014 at 6:54 PM, Brian West <brian@freeswitch.org> wrote:
What device is the Referee?

On Tue, Dec 9, 2014 at 4:30 PM, Joseph Frazier <joseph@onsip.com> wrote:
Hi everyone,

I'm trying to do attended transfers on my FS 1.5.14 box and have the endpoints receive UPDATE requests indicating that the identity of the other leg has changed. I installed the v1.5.14 tag from source and uncommented the following line of sip_profiles/internal.xml:

   <param name="NDLB-force-rport" value="true"/>

Other than the above line, my configuration is completely vanilla.

I have three extensions registered: 1000, 1007, 1006. My scenario is:
  • 1000 calls 1007
  • 1000 calls 1006
  • 1000 attended transfers 1007 to 1006
Here is my fs_cli with the following debugging options:

sofia global siptrace on
sofia loglevel all 9
sofia tracelevel alert
console loglevel debug
fsctl debug_level 10


After receiving the REFER, FS sends an UPDATE to the refer target, but not to the referee. Is there a configuration option I can set in order to have an UPDATE sent to the referee as well?

Thanks,
Joseph

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