[OpenSER-Users] proper call tear down

[Miles Scruggs]

Hi,

This is probably more SIP related than openSER, but I'll ask it here  
anyway

When we were at VON I brought up the subject of accounting and  
verifying proper call tear down, and it seems the ideal solution from  
a sip perspective is RFC 4028 (SIP session timers) which tracks the  
actual sip session with the UA.  What I'm starting to realize is that  
support for this is very limited and I haven't found much evidence if  
any in the devices where network failures are most likely to occur  
ATAs and end user devices.

This seems to leave me relying on the media stream, but this also has  
its issues with network issues occurring when calls are placed on  
hold.  Does anyone have any good suggestions for accurate accounting  
when dealing with end users, or is what I described as good as I'm  
going to get, until I find some solutions that support 4028?

Cheers

Miles Scruggs
Wide Ideas | Operations | miles.scruggs at wideideas.com | 509.525.6522  
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