Hi, I have downloaded an IAX softphone and tested the connection locally. The sound is perfect.
How should I troubleshoot this IAX connection between these two Asterisk servers? Is there some tool that can help in determining the cause of the choppy sound? Regards, Stojan Sljivic > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Stojan Sljivic - GDS > Sent: Wednesday, March 15, 2006 13:14 > To: 'Asterisk Users Mailing List - Non-Commercial Discussion' > Subject: RE: [Asterisk-Users] IAX choppy sound > > > Hi Tim, > > > Just to check, can you get decent call quality between 2 IAX > > clients on > > the same > > (local server)? > I have never tested that since we have no IAX phones. > We use SIP phones and IAX is used for connecting two Asterisk servers. > > Regards, > Stojan Sljivic > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of > > Tim Panton > > Sent: Wednesday, March 15, 2006 13:08 > > To: Asterisk Users Mailing List - Non-Commercial Discussion > > Subject: Re: [Asterisk-Users] IAX choppy sound > > > > > > > > On 15 Mar 2006, at 09:02, Stojan Sljivic - GDS wrote: > > > > > Hi, > > > > > >> Are you using Trunked IAX? > > > Currently we do not use trunking. > > > > > >> How many calls at a time? > > > All the test we have performed so far were with only one > > active call. > > > > > >> What codecs are you using? > > > We have set the bandwith=low, so I think that G.723.1, GSM, > > and LPC10 > > > are in > > > the play. > > > > If you have 256kbits/s available and want to make a maximum > > of 2 calls you could try something using ulaw (~80kbits/s) > > anyhow, I would explicitly set the codec so that you can > compare them. > > eg: > > > > disallow=all > > allow=ulaw > > > > > > > > > >> What is the ping time between the systems? > > > Ping stats are: > > > Server 1: > > > 50 packets transmitted, 50 received, 0% packet loss, time > > 49491ms rtt > > > min/avg/max/mdev = 190.198/213.028/283.275/25.307 ms > > > > > > > Server 2: > > > 50 packets transmitted, 49 received, 2% packet loss, time > > 49523ms rtt > > > min/avg/max/mdev = 190.089/214.855/544.880/59.052 ms > > > > > > > That is quite a variation, over an already longish ping time. > > you probably need to do some traffic shaping at your routers > > to give IAX priority. If you are getting good results from > > skype over the same link, you could try examining the TOS > > bits in the skype packets and setting the IAX to use the same > > TOS bits since that may be what is making the difference. > > > > >> Any error messages ? > > > There are no error messages in the console. > > > > Just to check, can you get decent call quality between 2 IAX > > clients on > > the same > > (local server)? > > > > > > > > Regards, > > > Stojan Sljivic > > > > > > > Hope that helps > > > > Tim > > > > _______________________________________________ > > --Bandwidth and Colocation provided by Easynews.com -- > > > > Asterisk-Users mailing list > > To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/mailman/listinfo/asterisk-users > > > > _______________________________________________ > --Bandwidth and Colocation provided by Easynews.com -- > > Asterisk-Users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- Asterisk-Users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
