[Asterisk-Users] Erratic DTMF on E1/PRI (continuation of Strage bip on ISDN/PRI)

[Michael Bielicki]

Happens quite a lot if you have synch problems with the other side. try
checking the clocking of your E1 part.

On Tue, 2003-12-09 at 21:06, Paulo Mannheimer wrote:
> At the same site, DTMF recognition is functioning badly, sometimes
> duplicating digits and sometimes totally missing others.
> 
> We have checked already /proc/interrups, there is no interrupt being
> shared.
> 
> Our zaptel has .. span=1,1,0,ccs,hdb3
> 
> On zapata we have ...
> switchtype=euroisdn
> signalling=pri_cpe
> relaxdtmf=no (yes doesn't seem to help)
> 
> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com
> [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Paulo
> Mannheimer
> Sent: terça-feira, 9 de dezembro de 2003 16:33
> To: asterisk-users at lists.digium.com
> Subject: RE: [Asterisk-Users] Strage bip on ISDN/PRI
> 
> 
> Sorry for the short post - I haven't included additional info because it
> seemed irrelevant to the issue, mainly because we have already gone
> through extensive trial and error.
> 
> We are using RH 7.2, testing with a cvs of 2 month ago and a fresh one
> downloaded yesterday. The noise doesn't seem to follow any pattern, it
> shows up once in a while. I was wondering if this can be a spill-off
> from music on hold (mpg123).
> 
> Best regards,
> 
> PHM
> 
> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com
> [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Steven
> Critchfield
> Sent: terça-feira, 9 de dezembro de 2003 13:40
> To: asterisk-users at lists.digium.com
> Subject: Re: [Asterisk-Users] Strage bip on ISDN/PRI
> 
> 
> On Tue, 2003-12-09 at 11:20, Paulo Mannheimer wrote:
> > Hi All,
> > 
> > We are just starting to deploy a new PRI IVR system, and the incoming
> > calls sometimes get random short 'bips' while navigating our IVR menu.
> 
> > Any hint on what this can be?
> 
> Do they occur during changes in prompts or during single recorded
> prompts? What revision of software are you using? What distro and
> version are you on? 
> 
> Please provide lots of data when asking questions as it helps those who
> would answer your question. It is easier to weed through information
> overload than to send several messages asking for more information.