[Sems] something strange during 183 session progress

Stefan Sayer stefan.sayer at iptego.de
Tue Jul 31 15:47:19 CEST 2007


Jayesh Nambiar wrote:
> Hi all,
> Can someone please explain me what does the following in the logs mean:
> (18545) DEBUG: conceal_loss (AmRtpAudio.cpp:153): default PLC (ts_diff = 
> 160; s = 320)
> (18545) DEBUG: conceal_loss (AmRtpAudio.cpp:153): default PLC (ts_diff = 
> 160; s = 320)
this means that SEMS is expecting RTP packets but does not receive any, 
thus it tries to conceal the lost packets.

> I get a lot of these while the 2nd call leg is in the "183" status.
> Also is there an easy way for stopping and starting sems, something 
> similar to serctl or if someone has created a service to start/stop sems 
> in redhat.
have a look at core/scripts/sems and core/scripts/sems.redhat
> Thanks for all your help.
> w/regards,
> Jayesh

Stefan Sayer


   iptego - VoIP security


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