[Serusers] SER / MediaProxy / B2BUA

Juha Heinanen jh at tutpro.com
Wed Jul 5 09:27:02 CEST 2006

Greger V. Teigre writes:

 > - A fifth way would be to implement a signalling-only B2BUA in ex. SEMS 
 > (and thus avoid the dependency on media going through a central server). 
 > You would have to have mediaproxy/rtpproxy in addition, and you wouldn't 
 > be able to detect UAs that suddenly disappear from the call (i.e. no 
 > RTP) unless you proxy. However, you would be able to terminate the call 
 > based on credit.

yes, take for example apps/conf_auth, strip away most of the lines and
you have a b2bua that terminates the call after a given time.  what
comes to not detecting dead UA, PSTN GWs usually to that automatically.
so you only will be missing dead UA in SIP-SIP calls, which should be a
big thing.

-- juha

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