AW: [Asterisk-Users] Klicking sounds in background

[Jochen Witte]

The PSTN line is plain PSTN as provided by the carrier. The setup works
correctly with other SIP endpoints.

--
Jochen Witte
email: jwitte at alpha-lab.net
web: http://alpha-lab.net 
> -----Ursprüngliche Nachricht-----
> Von: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] Im Auftrag von MF Hulber
> Gesendet: Mittwoch, 27. Juli 2005 18:28
> An: Asterisk Users Mailing List - Non-Commercial Discussion
> Betreff: Re: [Asterisk-Users] Klicking sounds in background
> 
> Just a thought:  do you have DSL on the PSTN line and are you using a
> line filter?
> 
> MARK.
> 
> Jochen Witte wrote:
> 
> >Hello,
> >
> >I have an IVR with Intel HMP SIP stack, which is a peer behind my
> Asterisk
> >box (Asterisk 1.0.7, Digium PRI). When dialing in via PSTN, there are
> >klicking sounds in the background, which do not appear, when dialing in
> via
> >SIP (using Asterisk as pbx). The issue does not seem to be an alaw/µlaw
> >problem.
> >
> >I tried trunking two Asterisk boxes via IAX and then call via two
> asterisks,
> >but the same effect appears. Whenever there is PSTN involved, I have
> these
> >klicking sounds, when there is no PSTN, everything works correctly.
> >
> >The setup works great with different SIP peers (others than the Intel...)
> >
> >Anyone has an idea?
> >
> >Best regards
> >Jochen
> >
> >--
> >Jochen Witte
> >email: jwitte at alpha-lab.net
> >web: http://alpha-lab.net
> >
> >
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