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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Thank you for the input Chris;<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>We are using Sangoma A101DE T1 and Sangoma A20400 8 FXS analog card with 35 Snom 320 handsets. I’ve heard the jitter earlier on when talking to a user directly (extension to extension) but assumed it was a network issue, I’m in Winnipeg and the user was in Calgary with the phones connecting to each other through a VPN.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>We did have our trixbox on a different vlan than the handsets, putting them both on the same vlan allowed us to bypass the router completely and the problem has gotten much better but is still present. It is generally about 6 to 10 seconds of ‘garbled’ outbound audio after about 20min, just long enough to be annoying. A user described it as sounding like someone talking underwater.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I’ll contact Sangoma and see if maybe it is a driver or setting issue, no users have complained yet about this issue happening between extension, just with outside calls.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Mark<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><b><span lang=EN-US style='font-family:"Trebuchet MS","sans-serif";color:maroon;mso-fareast-language:EN-CA'>Mark Bergen</span></b><span lang=EN-US style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D;mso-fareast-language:EN-CA'><o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Trebuchet MS","sans-serif";color:maroon;mso-fareast-language:EN-CA'>Network Support Analyst</span></b><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D;mso-fareast-language:EN-CA'><o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Trebuchet MS","sans-serif";color:navy;mso-fareast-language:EN-CA'>ONLINE BUSINESS SYSTEMS</span></b><b><span lang=EN-US style='font-size:10.0pt;font-family:"Trebuchet MS","sans-serif";color:navy;mso-fareast-language:EN-CA'><o:p></o:p></span></b></p><p class=MsoNormal><b><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:navy;mso-fareast-language:EN-CA'>Explore | Innovate | Lead<o:p></o:p></span></b></p><p class=MsoNormal><b><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:black;mso-fareast-language:EN-CA'><o:p> </o:p></span></b></p><p class=MsoNormal><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:black;mso-fareast-language:EN-CA'>200-115 Bannatyne Ave., Winnipeg MB R3B 0R3</span><b><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:maroon;mso-fareast-language:EN-CA'><o:p></o:p></span></b></p><p class=MsoNormal><u><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:blue;mso-fareast-language:EN-CA'><a href="mailto:mbergen@obsglobal.com">mbergen@obsglobal.com</a></span></u><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:black;mso-fareast-language:EN-CA'> | Direct Line: 204.982-0218</span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D;mso-fareast-language:EN-CA'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:black;mso-fareast-language:EN-CA'>Office: 204.982.0200 | Fax: 204.982.0201</span><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:black;mso-fareast-language:EN-CA'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:black;mso-fareast-language:EN-CA'><a href="http://www.obsglobal.com/"><span style='color:purple'>www.obsglobal.com</span></a></span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D;mso-fareast-language:EN-CA'><o:p></o:p></span></p></div><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:EN-CA'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:EN-CA'> Chris Friesen [mailto:cfriesen@telenium.ca] <br><b>Sent:</b> September-14-10 9:55 AM<br><b>To:</b> Bergen, Mark; asterisk@muug.mb.ca<br><b>Subject:</b> RE: [*] Garbled Outbound Audio<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'>What card and server are you using to run Trixbox? <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>We had a similar issue using Switchvox on an HP DL360 and a Digium PCIe card. We were able to match the random static with error messages in the /var/log, it turned out. What we were able to determine is that there was an issue with the digium driver and asterisk regarding timing that was causing this. We changed cards (which changed drivers) and the random static stopped.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>chris<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:EN-CA'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:EN-CA'> asterisk-bounces@muug.mb.ca [mailto:asterisk-bounces@muug.mb.ca] <b>On Behalf Of </b>Bergen, Mark<br><b>Sent:</b> September-13-10 8:27 PM<br><b>To:</b> asterisk@muug.mb.ca<br><b>Subject:</b> [*] Garbled Outbound Audio<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We have noticed on occasion the outbound audio on our phone system is garbled. We have checked the network and it seems to be in good order. It happens randomly and usually only for a few seconds (just long enough to annoy users). It has also happened when there was only a light load on the network.<o:p></o:p></p><p class=MsoNormal>We configured one of the snom 320 handsets to only use the G711u codec and no real change (outbound audio was still garbled a couple of times briefly over a 1.5hr phone call). Our system uses VoIP only inside our local network, we have an MTS PRI for outbound calls.<o:p></o:p></p><p class=MsoNormal>Anyone have any ideas or pointers?<o:p></o:p></p><p class=MsoNormal>Thanks;<o:p></o:p></p><p class=MsoNormal>Mark<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span lang=EN-US style='font-family:"Trebuchet MS","sans-serif";color:maroon;mso-fareast-language:EN-CA'>Mark Bergen</span></b><span lang=EN-US style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D;mso-fareast-language:EN-CA'><o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Trebuchet MS","sans-serif";color:maroon;mso-fareast-language:EN-CA'>Network Support Analyst</span></b><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D;mso-fareast-language:EN-CA'><o:p></o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Trebuchet MS","sans-serif";color:navy;mso-fareast-language:EN-CA'>ONLINE BUSINESS SYSTEMS<o:p></o:p></span></b></p><p class=MsoNormal><b><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:navy;mso-fareast-language:EN-CA'>Explore | Innovate | Lead<o:p></o:p></span></b></p><p class=MsoNormal><b><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:black;mso-fareast-language:EN-CA'><o:p> </o:p></span></b></p><p class=MsoNormal><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:black;mso-fareast-language:EN-CA'>200-115 Bannatyne Ave., Winnipeg MB R3B 0R3</span><b><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:maroon;mso-fareast-language:EN-CA'><o:p></o:p></span></b></p><p class=MsoNormal><u><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:blue;mso-fareast-language:EN-CA'><a href="mailto:mbergen@obsglobal.com">mbergen@obsglobal.com</a></span></u><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:black;mso-fareast-language:EN-CA'> | Direct Line: 204.982-0218</span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D;mso-fareast-language:EN-CA'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:black;mso-fareast-language:EN-CA'>Office: 204.982.0200 | Fax: 204.982.0201<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.0pt;font-family:"Trebuchet MS","sans-serif";color:black;mso-fareast-language:EN-CA'><a href="http://www.obsglobal.com/"><span style='color:purple'>www.obsglobal.com</span></a></span><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D;mso-fareast-language:EN-CA'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>