Re: [Asterisk-Users] Call quality problems

2006-02-25 Thread Doug Lytle
Michael Welter wrote: I'm having difficulty with an Asterisk system. The external party has very good call quality, but the internal party hears clipping and drop outs. RX Gains too high IRQ sharing of the of the ZAP device High load of the machine Are a few that come to mind. Doug --

Re: [Asterisk-Users] Call quality problems

2006-02-25 Thread Michael Welter
Doug Lytle wrote: Michael Welter wrote: I'm having difficulty with an Asterisk system. The external party has very good call quality, but the internal party hears clipping and drop outs. RX Gains too high IRQ sharing of the of the ZAP device There is no ZAP device (it is a SIP-only

Re: [Asterisk-Users] Call quality problems

2006-02-25 Thread Doug Lytle
Michael Welter wrote: Doug Lytle wrote: Michael Welter wrote: The machine is totally idle. The T1 vendor noticed 2% packet loss during a ping flood originating from outside. We changed the Cisco IAD, and there is no longer packet I've noted from employees that the volumes levels on the

Re: [Asterisk-Users] Call quality problems

2006-02-25 Thread Michael Welter
Doug Lytle wrote: Michael Welter wrote: Doug Lytle wrote: Michael Welter wrote: The machine is totally idle. The T1 vendor noticed 2% packet loss during a ping flood originating from outside. We changed the Cisco IAD, and there is no longer packet I've noted from employees that the

Re: [Asterisk-Users] Call quality problems

2006-02-25 Thread Doug Lytle
Michael Welter wrote: I'm not on site, but I remember 1.6.4. I had in place 1.6.2, and had way to many problems with it. I reverted back to 1.5.2 and things cleared up. Is the phone (or Asterisk) performing echo suppression that drops the last part of the tone? I believe the phone

Re: [Asterisk-Users] Call quality problems

2006-02-25 Thread Michael Welter
Doug Lytle wrote: I think the only time you need a timing source is if you are mixing audio streams, i.e. meetme, MOH. In which case you'd probably need to run ztdummy. Yes , ztdummy is running. I'm going to (temporarily) put a TDM card in the system just to eliminate that

[Asterisk-Users] Call quality problems

2006-02-24 Thread Michael Welter
I'm having difficulty with an Asterisk system. The external party has very good call quality, but the internal party hears clipping and drop outs. The WAN comes in from the Cisco IAD and into a LAN switch (DLink DGS-1005D w/ 802.1p) where the two public IPs are switched to different devices.