[Asterisk-Users] clicking and popping with capi, okay with mISDN

James Harper james.harper at bendigoit.com.au
Wed May 31 18:23:54 MST 2006


Just noticed that the poor audio quality only occurs when the call goes
out via SIP. If I go straight to voice mail or something it's fine.

Does that ring any bells?

Thanks

James

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of James Harper
> Sent: Thursday, 1 June 2006 10:25
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: [Asterisk-Users] clicking and popping with capi, okay with
mISDN
> 
> I have a hfc-usb adapter connected to a Samsung PBX, and am having a
bit
> of trouble.
> 
> With capi, using 'immediate' mode, I can get the dialplan working just
> fine, except that there is some sort of interference in the audio, and
> I'm not quite sure how to describe it except that it's sort of like
> clicking and popping but not harsh at all, and more like just bits of
> audio missing.
> 
> With mISDN, I can never detect digits in immediate mode, and can only
> ever receive 2 digits when not in immediate mode. When I did rig it up
> to actually make a call, the audio sounded very clear.
> 
> The audio problems are when making any calls from the PBX via
asterisk,
> mostly to a mynetfone account I've just set up. Using SIP to the same
> destinations is perfect. Our internet link is a lightly loaded
unframed
> E1 (2mb symmetric)
> 
> I've tried a few versions of mISDN, and a few versions of chan_misdn
> (now using 0.4.0-rc2). chan_capi is cm-0.6.5, asterisk is 1.2.7.1.
> 
> Any suggestions would be greatly appreciated!
> 
> Thanks
> 
> James
> 
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