I am still working on integrating Nortel with FreeSWITCH I have the calls coming in through FreeSWITCH and parsing/matching XML Here is the latest issue though the call runs through XML, looks like it is working then the calls drops and no audio was ever heard on the Nortel extension calling in I get SIP errors 415 from the Nortel side and a 501 from the FreeSWITCH The call hangs up with an reason 79 https://wiki.freeswitch.org/wiki/Hangup_Causes I checked and the audio is PCMU:8000 What am I missing here? Something to mention, I have been using an Asterisk as a gateway to pass calls from the Nortel to FS There is no issue when I do it this way, but Asterisk was a temporary patch and I need to make this work on FreeSWITCH Thank you in advance for any assistance Joel