<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hey,<div><br></div><div>I tried to establish audio call between two clients having different codec supports . I expected that transcoding would take place.</div><div>But I am getting a codec negotiation error . </div><div><br></div><div><font color="#0042aa">Here is the information about client I am using </font></div><div><font color="#11053b"><br></font></div><div><font color="#11053b">leg A :</font></div><div><font color="#11053b">suppoerted codec : </font>speex<span style="color: rgb(17, 5, 59); "> </span></div><div><span style="color: rgb(17, 5, 59); "><br></span></div><div><span style="color: rgb(17, 5, 59); ">leg B:</span></div><div><span style="color: rgb(17, 5, 59); ">supported codec : </span>G722,PCMU,PCMA,GSM,OPUS</div><div><br></div><div><br></div><div><font color="#0042aa">Here is some lines from my freeswitch logs</font></div><div><div><br></div><div><div>2013-10-22 10:31:12.795786 [INFO] switch_ivr_originate.c:1190 Sending early media</div><div>2013-10-22 10:31:12.795786 [DEBUG] switch_core_media.c:2880 Audio Codec Compare [speex:110:8000:20:0]/[G722:9:8000:20:64000]</div><div>2013-10-22 10:31:12.795786 [DEBUG] switch_core_media.c:2880 Audio Codec Compare [speex:110:8000:20:0]/[PCMU:0:8000:20:64000]</div><div>2013-10-22 10:31:12.795786 [DEBUG] switch_core_media.c:2880 Audio Codec Compare [speex:110:8000:20:0]/[PCMA:8:8000:20:64000]</div><div>2013-10-22 10:31:12.795786 [DEBUG] switch_core_media.c:2880 Audio Codec Compare [speex:110:8000:20:0]/[GSM:3:8000:20:13200]</div><div>2013-10-22 10:31:12.795786 [DEBUG] switch_core_media.c:3064 No 2833 in SDP. Disable 2833 dtmf and switch to INFO</div><div>2013-10-22 10:31:12.795786 [ERR] mod_sofia.c:2122 CODEC NEGOTIATION ERROR. SDP:</div><div>v=0</div><div>o=Zoiper 0 0 IN IP4 120.63.38.94</div><div>s=Zoiper</div><div>c=IN IP4 120.63.38.94</div><div>t=0 0</div><div>m=audio 11525 RTP/AVP 110</div><div>a=rtpmap:110 speex/8000</div></div></div><div><span style="color: rgb(0, 86, 214); "><br></span></div><div><font color="#0042aa">Here is some info about my freeswitch</font><font color="#a77b00"> </font></div><div><span style="color: rgb(0, 86, 214); "><br></span></div><div><font color="#0042aa">version - 1.4 beta</font></div><div><font color="#0042aa"><br></font></div><div><font color="#0042aa">codecs supported - </font>codec,ADPCM (IMA),mod_spandsp</div><div>codec,AMR,mod_amr</div><div>codec,B64 (STANDARD),mod_b64</div><div>codec,G.711 alaw,CORE_PCM_MODULE</div><div>codec,G.711 ulaw,CORE_PCM_MODULE</div><div>codec,G.722,mod_spandsp</div><div>codec,G.723.1 6.3k,mod_g723_1</div><div>codec,G.726 16k,mod_spandsp</div><div>codec,G.726 16k (AAL2),mod_spandsp</div><div>codec,G.726 24k,mod_spandsp</div><div>codec,G.726 24k (AAL2),mod_spandsp</div><div>codec,G.726 32k,mod_spandsp</div><div>codec,G.726 32k (AAL2),mod_spandsp</div><div>codec,G.726 40k,mod_spandsp</div><div>codec,G.726 40k (AAL2),mod_spandsp</div><div>codec,G.729,mod_g729</div><div>codec,GSM,mod_spandsp</div><div>codec,H.261 Video (passthru),mod_h26x</div><div>codec,H.263 Video (passthru),mod_h26x</div><div>codec,H.263+ Video (passthru),mod_h26x</div><div>codec,H.263++ Video (passthru),mod_h26x</div><div>codec,H.264 Video (passthru),mod_h26x</div><div>codec,LPC-10,mod_spandsp</div><div>codec,PROXY PASS-THROUGH,CORE_PCM_MODULE</div><div>codec,PROXY VIDEO PASS-THROUGH,CORE_PCM_MODULE</div><div>codec,RAW Signed Linear (16 bit),CORE_PCM_MODULE</div><div>codec,Speex,mod_speex</div><div>codec,VP8 Video (passthru),mod_vp8</div><div><br></div><div><font color="#0042aa">My sip_profile configurations </font></div><div></div><div></div><div><pre style="font-family: monospace, Courier; padding: 1em; border: 1px dashed rgb(47, 111, 171); background-color: rgb(249, 249, 249); line-height: 1.3em; font-size: 13px; position: static; z-index: auto; "><param name="disable-transcoding" value="false"/></pre><div><pre style="font-family: monospace, Courier; padding: 1em; border: 1px dashed rgb(47, 111, 171); background-color: rgb(249, 249, 249); line-height: 1.3em; font-size: 13px; "><param name="inbound-late-negotiation" value="true"/></pre><div><br></div></div></div><div>I also tried with inbound-late-negotiaion=false . But still getting codec negotiation error. </div><div><br></div><div>Please help .</div><div><br></div><div><br></div><div><br></div><div>Regards,</div><div>Neeraj</div><div><font color="#0061ff"> </font></div><div><font color="#0056d6"><br></font></div><div><br></div><div><br></div><div><br></div></body></html>