[asterisk-users] Re: the sounds quality of IAX2 channels are not good as SIP channels?

Martin Joseph ast at stillnewt.org
Thu Sep 7 20:44:24 MST 2006


On 2006-09-06 20:10:11 -0700, "Ma Zhiyong" <mazhiyong at sohu.com> said:

> 
> I use both IAX2 channels and SIP channels. IAX2 channels reduce 
> bandwidth effectively.
> 
> 
> 
> But sometime my cli show
> 
> 
> 
> NOTICE[1281]: chan_iax2.c:1628 iax2_destroy: Avoiding IAX destroy deadlock
> 
> WARNING[1281]: chan_iax2.c:708 jb_warning_output: Resyncing the jb.
> 
> last_delay 28, this delay 1227, threshold 1062, new offset -1227
> 
> WARNING[1281]: chan_iax2.c:6532 socket_read: Received trunked frame
> 
> before first full voice frame
> 
> 
> 
> And when concurrent calls are more than 30, IAX2 channels' sounds 
> quality become poor.
> 
> I use codec ILBC both in SIP channel and IAX2 channel.Sounds always good
> 
>  when I use SIP protocol.
> 
> 
> 
> this is some of my configuration:
> 
> jitterbuffer=yes
> 
> forcejitterbuffer=no
> 
> ;dropcount=2
> 
> ;maxjitterbuffer=1000
> 
> ;maxjitterinterps=10
> 
> ;resyncthreshold=1000
> 
> ;maxexcessbuffer=80
> 
> ;minexcessbuffer=10
> 
> ;jittershrinkrate=1
> 
> trunkfreq=30
> 
> trunktimestamps=yes
> 
> tos=reliability
> 
> codecpriority=host
> 
> 
> 
> It's same on both IAX2 side. Any idea?
> 

Which version of asterisk is this with?





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