[asterisk-ss7] chan_ss7 + Astersik JitterBuffer

[Mr.Surender Reddy]

Hello sir,
            I have audio lost problem in ss7 is there any way that i can
over come this.I have tried to what ever i could do which is said in all the
forums like increase the jitter buffer
4*160 like this and Clocking and all but iam unable to get a way that i can
over come this problem.If any one could give me some help that would be a
great help for me sir.When there is no audio lost the Quality is just like a
PSTN and there is no comparision PSTN and VOip call when the audio lost
comes the voice gets choppy and gitchhy.If anyone can give me a solution on
commercial basis also is most welcome.

regards
surender


On 6/18/06, Patrick <asterisk-list at puzzled.xs4all.nl> wrote:
>
> On Sun, 2006-06-18 at 14:10 +0500, Anton wrote:
> > Hi Guys,
> >
> > I was trying to use asterisk 1.2.9.1 with jitterbuffer
> > patches applied. But I'm getting the following:
> >
> > Jun 18 14:06:53 NOTICE[26126]: chan_ss7.c:1939 ss7_read:
> > Short read on CIC=24 (read only 0 of 160).
> > Jun 18 14:06:53 NOTICE[26126]: chan_ss7.c:1939 ss7_read:
> > Short read on CIC=24 (read only 0 of 160).
> > Jun 18 14:06:53 NOTICE[26126]: chan_ss7.c:1939 ss7_read:
> > Short read on CIC=24 (read only 0 of 160).
> > Jun 18 14:06:53 NOTICE[26126]: chan_ss7.c:1939 ss7_read:
> > Short read on CIC=24 (read only 0 of 160).
> > Jun 18 14:06:53 NOTICE[26126]: chan_ss7.c:1939 ss7_read:
> > Short read on CIC=24 (read only 0 of 160).
> > Jun 18 14:06:53 NOTICE[26126]: chan_ss7.c:1939 ss7_read:
> > Short read on CIC=24 (read only 0 of 160).
> > Jun 18 14:06:53 NOTICE[26126]: chan_ss7.c:1939 ss7_read:
> > Short read on CIC=24 (read only 0 of 160).
>
> I have no solution other than to add a me too for chan_capi. With the
> jitterbuffer patch applied to 1.2.9.1 chan_capi-cm-0.6.5 stops working.
> For people that want to try this out/investigate this chan_ss7 or
> chan_capi issue, I have added the patch here:
> http://laimbock.com/dl/asterisk/asterisk-1.2-jitterbuffer_RoyK.patch
> This patch is RoyK's original patch with the g726 codec and spandsp
> (app_rxfax.c/app_txfax.c) stuff removed. Original here:
>
> http://karlsbakk.net/asterisk/patches/1.2.x/rtp_jitterbuffer/ast_jb-1.2.9.1+rtp-keep-jb+fax+g726.patch
>
> Regards,
> Patrick
>
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