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>Hi, > > I have a problem with a Digium quad E1 card. It seems when I make > outgoing calls to any party, when that person talks on the line, they > hear scratching and static (there's also background static, but less of > it). The person making the call from asterisk (via the E1) doesn't hear > any of this. I've done things like turned off irqmasking on the IDE > drives in the machine, which had no effect it would seem.I had a similar issue before, but it was with a T100P connected to an Adtran TA750. The phones we were using were Polycom SIP IP 500 phones. What we did (and anyone of these could have resolved it) was got Polycom to send us new Power of Ethernet injectors. We also cleaned the wiring up from the POTS lines to the Adtran. Then from the Adtran to the T100P. We also, moved the server off of a Batery backup (cheapo) that seemed to be semi related. When we moved it onto the cheapo battery backup, we started noticing the static. So anyone of those seemed to resolve it. We also moved echo cancellation off of * onto a Tellabs box, and are much happier with the performance and cancellation. Best of both worlds I guess. Thanks, Brent
We're using a TE410P connected directly to Kingston Telecom (C7 -> EuroISDN conversion is done along the route to us). Unsure what to change within my setup really. I've played around with the rxgain and txgain, although it's made some difference, nothing special! Does anyone know why I would get static on outgoing calls via the TE410P and not incoming? Cheers, Ben -----Original Message----- From: asterisk-users-admin@lists.digium.com [mailto:asterisk-users-admin@lists.digium.com] On Behalf Of Brent Franks Sent: 11 August 2004 13:20 To: asterisk-users@lists.digium.com Subject: Re: [Asterisk-Users] Static on outgoing calls (Quad E1)>Hi, > > I have a problem with a Digium quad E1 card. It seems when I make > outgoing calls to any party, when that person talks on the line, they > hear scratching and static (there's also background static, but lessof> it). The person making the call from asterisk (via the E1) doesn'thear> any of this. I've done things like turned off irqmasking on the IDE > drives in the machine, which had no effect it would seem.I had a similar issue before, but it was with a T100P connected to an Adtran TA750. The phones we were using were Polycom SIP IP 500 phones. What we did (and anyone of these could have resolved it) was got Polycom to send us new Power of Ethernet injectors. We also cleaned the wiring up from the POTS lines to the Adtran. Then from the Adtran to the T100P. We also, moved the server off of a Batery backup (cheapo) that seemed to be semi related. When we moved it onto the cheapo battery backup, we started noticing the static. So anyone of those seemed to resolve it. We also moved echo cancellation off of * onto a Tellabs box, and are much happier with the performance and cancellation. Best of both worlds I guess. Thanks, Brent _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
If I call a number from my mobile say, it sounds fine! Nothing is wrong with the call quality at all. If I call asterisk (via the digium card) then route that call out to another mobile, that sounds just as bad as making the call from asterisk... So, to cap off, OK: Mobile -> EuroISDN -> Asterisk (TE410P E1) -> Anything BAD: SIP (Cisco) -> Asterisk (TE410P E1) -> Anything (Mobile, landline etc) Bad: Mobile -> Asterisk (TE410P E1) ReDialed -> Anything (Mobile, landline etc) It's rather confusing... Any help with this would of course be greatly appreciated. I called Digium last week, and they didn't seem to know what to do. Except replace the card, which I'm sure isn't what needs doing. It really does seem like it's some obscure problem with the configuration... gah! :/ Cheers, Ben -----Original Message----- From: asterisk-users-admin@lists.digium.com [mailto:asterisk-users-admin@lists.digium.com] On Behalf Of Andres Sent: 11 August 2004 17:19 To: asterisk-users@lists.digium.com Subject: Re: [Asterisk-Users] Static on outgoing calls (Quad E1) Ben Merrills wrote:>We're using a TE410P connected directly to Kingston Telecom (C7 -> >EuroISDN conversion is done along the route to us). > >Unsure what to change within my setup really. I've played around with >the rxgain and txgain, although it's made some difference, nothing >special! > >Does anyone know why I would get static on outgoing calls via theTE410P>and not incoming? > > > >What happens when you call one of your numbers..ie have the call go out the PRI and then come back into your Asterisk. Does it also sound bad? -- Andres Network Admin http://www.telesip.net _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
On Wed, 2004-08-11 at 21:09, Ben Merrills wrote:> Hi, > I have a problem with a Digium quad E1 card. It seems when I make > outgoing calls to any party, when that person talks on the line, they > hear scratching and static (there?s also background static, but less > of it). The person making the call from asterisk (via the E1) doesn?t > hear any of this. I?ve done things like turned off irqmasking on the > IDE drives in the machine, which had no effect it would seem.> Has anyone come across an issue like this before? This doesn?t happen > on incoming calls to the Asterisk box! On incoming calls, both parties > hear excellent quality audio.Yes, have had a very similar problem, described as follows: When the remote party talks, they hear an 'echo' of their voice, but severely distorted/amplified... Sounds very bad. This only seems to happen when connected to 'certain' destinations, (ie, happens all the time to that phone number). This has been happening since January of this year when we first moved to the PRI + asterisk. All handsets are connected via a TDM40B quad FXS port card. This also happens when a call comes in, and is then forwarded back out to my mobile, in which case I hear the 'bad echo' when the incoming caller talks, although the incoming caller hears nothing. The only suggestion I had at some point was to change from using a TE410P to the TE405P (except I don't have a 3.3V PCI bus machine for asterisk). Regards, Adam
I placed a call as follows: SIP (Cisco Phone) -> Asterisk PRI (outgoing) -> Asterisk PRI (incoming) -> Sip (Cisco) The call exhibited the same problems as before, static crackle on the line. (Dialled party) I still think this is an issue with the Digium card, but I'm unsure as to what. I've been playing with the rxgain and txgain, although I think this just has the effect of making the call so quiet that there's little noise to hear. Hope this provides some help... confused :( Ben -----Original Message----- From: asterisk-users-admin@lists.digium.com [mailto:asterisk-users-admin@lists.digium.com] On Behalf Of Andres Sent: 11 August 2004 18:53 To: asterisk-users@lists.digium.com Subject: Re: [Asterisk-Users] Static on outgoing calls (Quad E1) Ben Merrills wrote:>If I call a number from my mobile say, it sounds fine! Nothing is wrong >with the call quality at all. If I call asterisk (via the digium card) >then route that call out to another mobile, that sounds just as bad as >making the call from asterisk... > >So, to cap off, > >OK: Mobile -> EuroISDN -> Asterisk (TE410P E1) -> Anything >BAD: SIP (Cisco) -> Asterisk (TE410P E1) -> Anything (Mobile, landline >etc) >Bad: Mobile -> Asterisk (TE410P E1) ReDialed -> Anything (Mobile, >landline etc) > > >Can you try a SIP - Asterisk -PSTN - SIP call? What I want to know is if you dial out of your Cisco SIP Phone via the PRI and force that call to loop back immediately (by dialing one of your DIDs) to your Asterisk an then get answered by another SIP Phone, does the call sound bad? I think the idea here is to isolate wether the bad sound is due to your hardware and immediate PSTN switch or some farther away PSTN switch. Calls that go out of your Asterisk get routed one way in the PSTN jungle and calls coming to you probably get routed another way. Thats is one way to explain why there is bad audio on outgoing calls and good on incoming.>It's rather confusing... > >Any help with this would of course be greatly appreciated. I called >Digium last week, and they didn't seem to know what to do. Except >replace the card, which I'm sure isn't what needs doing. It really does >seem like it's some obscure problem with the configuration... gah! :/ > >Cheers, > >Ben > >-----Original Message----- >From: asterisk-users-admin@lists.digium.com >[mailto:asterisk-users-admin@lists.digium.com] On Behalf Of Andres >Sent: 11 August 2004 17:19 >To: asterisk-users@lists.digium.com >Subject: Re: [Asterisk-Users] Static on outgoing calls (Quad E1) > >Ben Merrills wrote: > > > >>We're using a TE410P connected directly to Kingston Telecom (C7 -> >>EuroISDN conversion is done along the route to us). >> >>Unsure what to change within my setup really. I've played around with >>the rxgain and txgain, although it's made some difference, nothing >>special! >> >>Does anyone know why I would get static on outgoing calls via the >> >> >TE410P > > >>and not incoming? >> >> >> >> >> >> >What happens when you call one of your numbers..ie have the call go out>the PRI and then come back into your Asterisk. Does it also sound bad? > > > >-- Andres Network Admin http://www.telesip.net _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
I placed a call as follows: SIP (Cisco Phone) -> Asterisk PRI (outgoing) -> Asterisk PRI (incoming) -> Sip (Cisco) The call exhibited the same problems as before, static crackle on the line. (Dialled party) I still think this is an issue with the Digium card, but I'm unsure as to what. I've been playing with the rxgain and txgain, although I think this just has the effect of making the call so quiet that there's little noise to hear. Hope this provides some help... confused :( Ben -----Original Message----- From: asterisk-users-admin@lists.digium.com [mailto:asterisk-users-admin@lists.digium.com] On Behalf Of Andres Sent: 11 August 2004 18:53 To: asterisk-users@lists.digium.com Subject: Re: [Asterisk-Users] Static on outgoing calls (Quad E1) Ben Merrills wrote:>If I call a number from my mobile say, it sounds fine! Nothing is wrong >with the call quality at all. If I call asterisk (via the digium card) >then route that call out to another mobile, that sounds just as bad as >making the call from asterisk... > >So, to cap off, > >OK: Mobile -> EuroISDN -> Asterisk (TE410P E1) -> Anything >BAD: SIP (Cisco) -> Asterisk (TE410P E1) -> Anything (Mobile, landline >etc) >Bad: Mobile -> Asterisk (TE410P E1) ReDialed -> Anything (Mobile, >landline etc) > > >Can you try a SIP - Asterisk -PSTN - SIP call? What I want to know is if you dial out of your Cisco SIP Phone via the PRI and force that call to loop back immediately (by dialing one of your DIDs) to your Asterisk an then get answered by another SIP Phone, does the call sound bad? I think the idea here is to isolate wether the bad sound is due to your hardware and immediate PSTN switch or some farther away PSTN switch. Calls that go out of your Asterisk get routed one way in the PSTN jungle and calls coming to you probably get routed another way. Thats is one way to explain why there is bad audio on outgoing calls and good on incoming.>It's rather confusing... > >Any help with this would of course be greatly appreciated. I called >Digium last week, and they didn't seem to know what to do. Except >replace the card, which I'm sure isn't what needs doing. It really does >seem like it's some obscure problem with the configuration... gah! :/ > >Cheers, > >Ben > >-----Original Message----- >From: asterisk-users-admin@lists.digium.com >[mailto:asterisk-users-admin@lists.digium.com] On Behalf Of Andres >Sent: 11 August 2004 17:19 >To: asterisk-users@lists.digium.com >Subject: Re: [Asterisk-Users] Static on outgoing calls (Quad E1) > >Ben Merrills wrote: > > > >>We're using a TE410P connected directly to Kingston Telecom (C7 -> >>EuroISDN conversion is done along the route to us). >> >>Unsure what to change within my setup really. I've played around with >>the rxgain and txgain, although it's made some difference, nothing >>special! >> >>Does anyone know why I would get static on outgoing calls via the >> >> >TE410P > > >>and not incoming? >> >> >> >> >> >> >What happens when you call one of your numbers..ie have the call go out>the PRI and then come back into your Asterisk. Does it also sound bad? > > > >-- Andres Network Admin http://www.telesip.net _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Just FYI, It turned out that the problem was a simple one, but not something you'd expect to be a big issue these says (with ACPI etc): IRQ sharing. There was an onboard gfx card using IRQ 11, the same IRQ as the digium card. lspci -v showed the true story, even though cat /proc/interrupts didn't. Hope that helps anyone else out there with similar issues. Cheers, Ben -----Original Message----- From: asterisk-users-admin@lists.digium.com [mailto:asterisk-users-admin@lists.digium.com] On Behalf Of Ben Merrills Sent: 12 August 2004 09:08 To: asterisk-users@lists.digium.com Subject: RE: [Asterisk-Users] Static on outgoing calls (Quad E1) I placed a call as follows: SIP (Cisco Phone) -> Asterisk PRI (outgoing) -> Asterisk PRI (incoming) -> Sip (Cisco) The call exhibited the same problems as before, static crackle on the line. (Dialled party) I still think this is an issue with the Digium card, but I'm unsure as to what. I've been playing with the rxgain and txgain, although I think this just has the effect of making the call so quiet that there's little noise to hear. Hope this provides some help... confused :( Ben -----Original Message----- From: asterisk-users-admin@lists.digium.com [mailto:asterisk-users-admin@lists.digium.com] On Behalf Of Andres Sent: 11 August 2004 18:53 To: asterisk-users@lists.digium.com Subject: Re: [Asterisk-Users] Static on outgoing calls (Quad E1) Ben Merrills wrote:>If I call a number from my mobile say, it sounds fine! Nothing is wrong >with the call quality at all. If I call asterisk (via the digium card) >then route that call out to another mobile, that sounds just as bad as >making the call from asterisk... > >So, to cap off, > >OK: Mobile -> EuroISDN -> Asterisk (TE410P E1) -> Anything >BAD: SIP (Cisco) -> Asterisk (TE410P E1) -> Anything (Mobile, landline >etc) >Bad: Mobile -> Asterisk (TE410P E1) ReDialed -> Anything (Mobile, >landline etc) > > >Can you try a SIP - Asterisk -PSTN - SIP call? What I want to know is if you dial out of your Cisco SIP Phone via the PRI and force that call to loop back immediately (by dialing one of your DIDs) to your Asterisk an then get answered by another SIP Phone, does the call sound bad? I think the idea here is to isolate wether the bad sound is due to your hardware and immediate PSTN switch or some farther away PSTN switch. Calls that go out of your Asterisk get routed one way in the PSTN jungle and calls coming to you probably get routed another way. Thats is one way to explain why there is bad audio on outgoing calls and good on incoming.>It's rather confusing... > >Any help with this would of course be greatly appreciated. I called >Digium last week, and they didn't seem to know what to do. Except >replace the card, which I'm sure isn't what needs doing. It really does >seem like it's some obscure problem with the configuration... gah! :/ > >Cheers, > >Ben > >-----Original Message----- >From: asterisk-users-admin@lists.digium.com >[mailto:asterisk-users-admin@lists.digium.com] On Behalf Of Andres >Sent: 11 August 2004 17:19 >To: asterisk-users@lists.digium.com >Subject: Re: [Asterisk-Users] Static on outgoing calls (Quad E1) > >Ben Merrills wrote: > > > >>We're using a TE410P connected directly to Kingston Telecom (C7 -> >>EuroISDN conversion is done along the route to us). >> >>Unsure what to change within my setup really. I've played around with >>the rxgain and txgain, although it's made some difference, nothing >>special! >> >>Does anyone know why I would get static on outgoing calls via the >> >> >TE410P > > >>and not incoming? >> >> >> >> >> >> >What happens when you call one of your numbers..ie have the call go out>the PRI and then come back into your Asterisk. Does it also sound bad? > > > >-- Andres Network Admin http://www.telesip.net _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users