[OpenSIPS-Users] Session expires, calls disconnect

[Schneur Rosenberg]

Thanks Joel
On Nov 15, 2011 8:28 PM, "joel.oliveira" <joel.oliveira at interacesso.pt>
wrote:

> On a side note it's important to know the difference between Min-SE,
> Expires
> and Session-Expires headers.
>
> A quick, and maybe naive point of view, is:
> . Min-SE : minimum Session-Expires value that should be use while
> negotiating with this UAC, a UAC recieving this should change it's
> Session-Expires so it can be bigger or equal to the requested Min-SE
> . Session-Expires : value of Session-Expire requested by this UAC, how much
> time will the Session be up
> . Expires : time of expiration that the current SIP message has
>
> On the "who sends what to whom" question it's better if you just do a sip
> trace and understand how it goes. I may be wrong but as I recall it's the
> "refresher" attribute of the Session-Expires header that controls who's
> supposed to do the Re-Invite.
>
> I started some threads regarding Session-timers, some read on that can help
> your ( or maybe not :D ), either way it'll not hurt:
>
> http://opensips-open-sip-server.1449251.n2.nabble.com/SST-module-422-returned-on-the-min-client-Min-SE-client-Session-Expires-lt-RFC-4028-gt-td6402338.html
>
> http://opensips-open-sip-server.1449251.n2.nabble.com/Session-Expires-with-incoming-calls-from-GW-with-client-with-no-Session-timers-td6788671.html
>
> Best Regards,
> Joel
>
> --
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> http://opensips-open-sip-server.1449251.n2.nabble.com/Session-expires-calls-disconnect-tp6996967p6997346.html
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>
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