Calls not going

[anishktr2005]

i have cisco BE6000 ,and i have a  Huwaei Esacpe cystem i need to
connect both system,i made a sip trunk between these two system ,now trunk
is showing up but calls are not going to huwaei pabx,in RTC tool showing
bad gataway

[Jaime Valencia]

Look at the traces from both systems to try to pinpoint the issue and then take it from there.

[Mohammed al Baqari]

You can start with RTMT to generate SessionTrace and looking at the SIP messages for the failed call.