<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Hi,<br><br>how would i know what codec is being utilized? currently i have set allow=ilbc disallow=all.<br>i unset all codecs on x-lite except ilbc.<br><br>i tried to make a call and look at the channel i see these. does this mean it is using ulaw? how about writetranscode? does that mean there is no transcoding happening on the call? call is going thru, rtp is also going thru. what i would like to know is does it really use ilbc? i'm using 1.4.18.1. thank you<br><br><br>core show channel SIP/100009-082367b<br> NativeFormats: 0x4 (ulaw)<br> WriteFormat: 0x4 (ulaw)<br> ReadFormat: 0x4 (ulaw)<br> WriteTranscode: No<br> ReadTranscode: No<br><br></td></tr></table><br>