On 8 Mar 2011, at 02:12, sean darcy wrote: > On 03/07/2011 05:26 PM, Kevin P. Fleming wrote: >> On 03/07/2011 04:15 PM, sean darcy wrote: >>> I'm using iaxagent on a Droid X to connect by IAX to 1.8.3 at the >>> office. 1.8.3 has sip phones. The audio is fine on the Droid X side. On >>> the office side, they hear an echo of _their_ speech, not mine. >>> >>> The office uses sip-providers generally without any echo problem. >>> >>> Where do I start to figure this out? How do I narrow it down? Can I >>> figure out if it is an iaxagent problem? Could using jitterbuffer cause >>> this? >> >> This is probably acoustic echo from your phone. The jitterbuffer has >> nothing to do with this. >> > > Yup. Turning down the volume on the call reduces the echo. Of course, now I > can barely hear the office! > > I can keep the volume up on standard calls from the Droid X, which suggests > that Android has some echo cancelling on phone calls. > > I'll try to see if the developer of iaxagent can do anything. > > BTW, if you haven't, try iaxagent on your phone. It's a very clever use of > the iax protocol and leverages iax's strengths. iax makes a lot of sense on > mobiles, dealing with the NAT issues from inconsistent access points easily. > > Thanks for the help. > > sean
Anyone know how iaxagent is accessing the speaker/mic ? In theory the phone should have echo cancellation built-in, but it may only be enabled in certain cases. T. Tim Panton - Web/VoIP consultant and implementor www.westhawk.co.uk -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users