VoIP problem

[icabrera]

I have a problem connecting a cisco3620 to a Matra PBX (with a NM-HDV-1E1-30E). Calls from a

FXS to another extension through the PBX goes fine, but when I try to reach an external destination

the call is established, but I can only hear noise.

Thanks in advance.

[s-doyle]

This might help: http://www.cisco.com/warp/public/788/voip/voip_debugcalls.html