Hello Everyone, I am Using Pjsip 1.7 with iphone SDK 3.1.3 and iOS 3.1.3 and I have recently add the Speaker to Our Application by the use of code on click of Speaker button: UInt32 audioRouteOverride = kAudioSessionOverrideAudioRoute_Speaker; AudioSessionSetProperty (kAudioSessionProperty_OverrideAudioRoute,sizeof (audioRouteOverride),&audioRouteOverride); Actually When I enabled the speaker at the time of ongoing call the other party heard clear echo voice ,he can hear own voice back again and i also hear some echo voice whatever be tell by him and When i disabled the speaker there is no issue of echo. Please give me a Solution of it Thanks & Regards Vinay kumar -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20101026/c10a739b/attachment.html>