<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div>I'm trying to send an SDP from a SIP client to Janus using JSON over HTTP.</div><div><br></div><div>The problem is that Janus is erroring on the SDP content with the following error:</div><div><br></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div><span>JANUS HTTP: Get SDP for echo plugin: {#012 "janus": "error",#012 "error": {#012 "code": 454,#012 "reason": "JSON error: on line 9: control character 0xd near '\"v=0'"#012 }#012} Result code 200</span></div></blockquote><div><span><br></span></div><div><span>I tried using <span>{s.escape.common} to escape any quotations, commas etc but it doesn't appear to replace the control characters with newlines.</span></span></div><div><span><span><br>Any suggestions on how best to remove these control characters so that Janus will accept the SDP over JSON?</span></span></div><div><span><span><br></span></span></div><div><span><span>Here is the relevant section of kamailio.cfg:</span></span></div><div><span><span><br></span></span></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div><span><span><span><div># HTTP: Request SDP for echo test plugin</div></span></span></span></div><div><span><span><span><div> sdp_get("$avp(sdp)");</div></span></span></span></div><div><span><span><span><div><br></div></span></span></span></div><div><span><span><span><div> $var(res) = http_connect("janus", "/janus/$var(JANUS-ID)/$var(ECHO-ID)", "application/json", "{</div></span></span></span></div><div><span><span><span><div> \"janus\" : \"message\",</div></span></span></span></div><div><span><span><span><div> \"transaction\" : \"testtesttest99\",</div></span></span></span></div><div><span><span><span><div> \"body\" : {</div></span></span></span></div><div><span><span><span><div> \"audio\" : true</div></span></span></span></div><div><span><span><span><div> },</div></span></span></span></div><div><span><span><span><div> \"jsep\" : {</div></span></span></span></div><div><span><span><span><div> \"type\" : \"offer\",</div></span></span></span></div><div><span><span><span><div> \"sdp\" : \"$(avp(sdp){s.escape.common})\"</div></span></span></span></div><div><span><span><span><div> }</div></span></span></span></div><div><span><span><span><div>}", "$avp(janus-pluginsession)");</div></span></span></span></div><div><span><span><span><div> xlog("L_INFO", "JANUS HTTP: Get SDP for echo plugin: $avp(janus-pluginsession) Result code $var(res)\n");</div></span></span></span></div><div><span><span><br></span></span></div></blockquote><div><span><span><br></span></span></div></div></body></html>