[Asterisk-Users] Klicking sounds in background

[Storm D. J. Petersen]

IDK if this might help :-)

http://www.voiptroubleshooter.com/diagnosis/usersymptoms.html

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Jochen Witte >
Sent: Thursday, July 28, 2005 2:28 AM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: AW: [Asterisk-Users] Klicking sounds in background

No - the clocking is OK. It works correctly with different SIP stacks.

When I use voipong to grab the sound, I can hear the klicking in all cases:
when dialing in via PSTN or by IAX / SIP. So the klicking is not on the PSTN
side, but on the RTP side. The mysterious thing  is, that You can only  hera
it, when dialing in via PSTN. Has anybody any idea?

Jochen

--
Jochen Witte
email: jwitte at alpha-lab.net
web: http://alpha-lab.net 

> -----Ursprüngliche Nachricht-----
> Von: Peter Childs [mailto:peter.childs at nec.com.au]
> Gesendet: Donnerstag, 28. Juli 2005 03:42
> An: 'Asterisk Users Mailing List - Non-Commercial Discussion'
> Cc: jwitte at alpha-lab.net
> Betreff: RE: [Asterisk-Users] Klicking sounds in background
> 
> 
> Your ISDN clocking is slipping (or not sync'd).
> 
> Your digium PRI needs to clock off the ISDN.
> 
> See zaptel.conf on the Wiki and set something like...
> 
> Span=1,1,... (the second '1' is important.. Ie 'use as primary sync
> source')
> 
> http://www.voip-info.org/tiki-index.php?page=Zaptel.conf+span+sintax
> 
> 
> --
>  Peter Childs
>  NEC Business Solutions Ltd
>  Ph:61-8-8301-4908 Mb:61-4-0819-7693
>  IM: pjcinaus (yahoo)
> 
> 
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Jochen Witte
> Sent: Wednesday, 27 July 2005 10:48 PM
> To: asterisk-users at lists.digium.com
> Subject: [Asterisk-Users] Klicking sounds in background
> 
> 
> 
> 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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