[Freeswitch-users] SIP timer at 900 seconds?

[Antony Stone]

On Wednesday 22 December 2021 at 19:07:29, Avi Marcus wrote:

> I see two recent calls from FreeSWITCH that end at 15 minutes:
> 
> billsec: 904.1, hangup cause: MANDATORY_IE_MISSING
> billsec: 901.3, hangup cause: MANDATORY_IE_MISSING

https://freeswitch.org/confluence/display/FREESWITCH/Hangup+Cause+Code+Table

"This cause indicates that the equipment sending this cause has received a 
message which is missing an information element which must be present in the 
message before that message can be processed."

> My system is hanging up the call.
> 
> Is there some sort of SIP timer? I don't have a SIP trace to see what
> happened.

I think you're going to have to get a SIP trace the next time this happens, so 
that you can see what message FreeSwitch might have received in order to 
produce the above complaint.


Antony.

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