Hi,

I'm seeing a problem with Session-Expires header in a SIP INVITE. Client is 
sending an INVITE with Session-Expires set to 1800, but Bono changes it to 600 
when forwarding the INVITE to Sprout. Eventually, my AS receives the INVITE and 
returns 422 Session Interval Too Small with Min-SE header set to 1800. Client 
turns around and re-sends the INVITE with Session-Expires set to 1800 and also 
Min-SE set to 1800. But again, Bono changes Session-Expires to 600… and it goes 
on…

I don't see any configuration where this value can be changed. Even if it were 
configurable, it should not be changing the value client sent in the INVITE. It 
does not seem to handle Session Timers specified in RFC 4028.

I'm running "Elite" release that got released today, but I saw this with 
previous versions as well… I'm getting around by lowering Session-Expires to 
600 at my AS, but I wanted to raise this issue.

Thanks,
Alan

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