Re: [asterisk-users] Snom 300 Echo
On 07/02/2008, Brent Davidson <[EMAIL PROTECTED]> wrote: > We're deploying an asterisk-based phone system at all of our branch > offices in an effort to eliminate long-distance costs incurred from the > constant branch to branch calls. We're using the Snom 300's at all > offices for the desk phones and X100P cards to interface to 2 analog > lines. I'm having a problem tuning all the echo out of the system. So > far two branches are using the new system and they are both reporting > echo on both incoming and outgoing calls. The echo seems to be confined > to the Snom 300 phones and is not heard by the person on the zap line. > The echo is only the voice of the person using the Snom phone. There > doesn't seem to be any echo of the analog line audio. I have tried > adjusting the gain of the lines, turning on echo cancellation, Turning > on echo training and nothing seems to work. At one of the branches, I > re-compiled asterisk and zaptel using the OSLEC drivers and that doesn't > seem to have had any effect either. What am I missing? > > Thanks, > Brent Davidson Brent, OSLEC did it for me, the difference was light night and day. I was not using X100P cards though but the principal is the same for the Sangoma A200 I was using. Mike ___ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Snom 300 Echo
Brent Davidson wrote: > I thought I had the echo out of the system, but it keeps coming back... > What I'm being told is that when the users call out from their snom > phones they hear their own voice. There's no delay, but it's extremely Does it happen on all-digital calls (e.g., intercom between two Snom phones on the same LAN)? If it only happens on analog calls, I would buy an adapter card with real hardware echo cancellation. I use the Sangoma A20002d with my Snom 360s. I had a very hard time eliminating echo before getting the hardware echo canceller. It could be something else entirely, of course. - Mike ___ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Snom 300 Echo
I thought I had the echo out of the system, but it keeps coming back... What I'm being told is that when the users call out from their snom phones they hear their own voice. There's no delay, but it's extremely loud. If I cut their mic volume down to the point where the sidetone is not a problem the person on the other end can't hear them, or tells them they sound like they are "down in a well". They say the problem is not there on incoming calls. I spent half a day navigating the maze of Verizon phone numbers and finally got to someone who gave me the Type 102 test line numbers and I calibrated the gains as close to 14844 as possible and it still does not seem to have any effect on the echo. Is there a setting in the Snom phone that I am missing? These phones are running Firmware version 7.1.30, and I've been through them forward and backwards and can't seem to find anything to adjust the echo suppression. The thing that makes this even worse is that I have tried many many tests of my own and can't seem to replicate the echo conditions. They always seem to show up when I am at a different office. My test Snom 300 phone that I keep here at my desk and connect to each of the branch office servers as needed never seems to have the echo/sidetone problem. I need some help figuring this out. Thanks, Brent Davidson Brent Davidson wrote: > We're deploying an asterisk-based phone system at all of our branch > offices in an effort to eliminate long-distance costs incurred from the > constant branch to branch calls. We're using the Snom 300's at all > offices for the desk phones and X100P cards to interface to 2 analog > lines. I'm having a problem tuning all the echo out of the system. So > far two branches are using the new system and they are both reporting > echo on both incoming and outgoing calls. The echo seems to be confined > to the Snom 300 phones and is not heard by the person on the zap line. > The echo is only the voice of the person using the Snom phone. There > doesn't seem to be any echo of the analog line audio. I have tried > adjusting the gain of the lines, turning on echo cancellation, Turning > on echo training and nothing seems to work. At one of the branches, I > re-compiled asterisk and zaptel using the OSLEC drivers and that doesn't > seem to have had any effect either. What am I missing? > > Thanks, > Brent Davidson > > ___ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: >http://lists.digium.com/mailman/listinfo/asterisk-users > > > ___ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Snom 300 Echo
After Andrew's suggestion, if that isn't the problem, spend some more time on OSLEC to be darn sure it's operating properly -- that thing works like a champ for my crappy lines! Moj Brent Davidson wrote: > We're deploying an asterisk-based phone system at all of our branch > offices in an effort to eliminate long-distance costs incurred from the > constant branch to branch calls. We're using the Snom 300's at all > offices for the desk phones and X100P cards to interface to 2 analog > lines. I'm having a problem tuning all the echo out of the system. So > far two branches are using the new system and they are both reporting > echo on both incoming and outgoing calls. The echo seems to be confined > to the Snom 300 phones and is not heard by the person on the zap line. > The echo is only the voice of the person using the Snom phone. There > doesn't seem to be any echo of the analog line audio. I have tried > adjusting the gain of the lines, turning on echo cancellation, Turning > on echo training and nothing seems to work. At one of the branches, I > re-compiled asterisk and zaptel using the OSLEC drivers and that doesn't > seem to have had any effect either. What am I missing? > > Thanks, > Brent Davidson > > ___ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: >http://lists.digium.com/mailman/listinfo/asterisk-users > ___ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Snom 300 Echo
They could be reporting glare back from the phone because the mic or ear volume is miss matched, normalize the volume on the phones. On Feb 7, 2008 12:40 PM, Brent Davidson <[EMAIL PROTECTED]> wrote: > We're deploying an asterisk-based phone system at all of our branch > offices in an effort to eliminate long-distance costs incurred from the > constant branch to branch calls. We're using the Snom 300's at all > offices for the desk phones and X100P cards to interface to 2 analog > lines. I'm having a problem tuning all the echo out of the system. So > far two branches are using the new system and they are both reporting > echo on both incoming and outgoing calls. The echo seems to be confined > to the Snom 300 phones and is not heard by the person on the zap line. > The echo is only the voice of the person using the Snom phone. There > doesn't seem to be any echo of the analog line audio. I have tried > adjusting the gain of the lines, turning on echo cancellation, Turning > on echo training and nothing seems to work. At one of the branches, I > re-compiled asterisk and zaptel using the OSLEC drivers and that doesn't > seem to have had any effect either. What am I missing? > > Thanks, > Brent Davidson > > ___ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: >http://lists.digium.com/mailman/listinfo/asterisk-users > -- /* Andrew Latham LATHAMA (lay-th-ham-eh) [EMAIL PROTECTED] [EMAIL PROTECTED] TuxTone Inc. http://www.TuxTone.com */ ___ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
[asterisk-users] Snom 300 Echo
We're deploying an asterisk-based phone system at all of our branch offices in an effort to eliminate long-distance costs incurred from the constant branch to branch calls. We're using the Snom 300's at all offices for the desk phones and X100P cards to interface to 2 analog lines. I'm having a problem tuning all the echo out of the system. So far two branches are using the new system and they are both reporting echo on both incoming and outgoing calls. The echo seems to be confined to the Snom 300 phones and is not heard by the person on the zap line. The echo is only the voice of the person using the Snom phone. There doesn't seem to be any echo of the analog line audio. I have tried adjusting the gain of the lines, turning on echo cancellation, Turning on echo training and nothing seems to work. At one of the branches, I re-compiled asterisk and zaptel using the OSLEC drivers and that doesn't seem to have had any effect either. What am I missing? Thanks, Brent Davidson ___ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
