[Freeswitch-users] How to inspect the jitterbuffer?
anthony.minessale at gmail.com
Fri Feb 10 20:23:55 MSK 2012
If there is no RTP then the TDM should be generating its own audio.
MTU = 80
IDLE_FLAG = 0xFF
On Fri, Feb 10, 2012 at 3:41 AM, Holger Freyther <holger at freyther.de> wrote:
> Anthony Minessale <anthony.minessale at ...> writes:
>> what does /etc/wanpipe/wanpipe1.conf look like? and which rev of FS
>> and wanpipe driver are you on.
>> What ptime is the sip traffic?
> the wanpipe1.conf is here, I am using wanpipe 3.5.24, I started
> with a FreeSWITCH from around 20111010, but I retested with the
> a version from 20120205.
> What I have done so far to try to understand things:
> fs_cli> originate freetdm/1/nr &echo(1000)
> (audio quality is good in both ways, so FreeTDM by itself
> appears to work)
> On a 'normal' SIP call (the path to ISDN produces the skips):
> I used the 'bug' application to record the audio file and it had
> no skips. Wireshark's RTP Analysis shows no packet loss, little
> jitter, just a bit of clock drifting.
> To me it looks like if FreeTDM doesn't get the audio samples in
> time and then 'nothing' is transmitted. This is why I asked about
> inspecting the state of the jitterbuffer.
>  http://paste.lisp.org/display/127633
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Anthony Minessale II
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