I have Cisco Call Manager running on a 2800 series router and have a Cisco ATA-186 (SCCP firmware) that I wish to use for a couple of faxes. I've tried adding the following lines to my configuration however whilst a fax answers an incoming call it does not seem to be able to negotiate with the sending fax & obviously fails. I cannot send outgoing faxes at all. Config lines:-
ephone-dn 24 dual-line
call-forward busy 600
call-forward noan 600 timeout 15
mac address xxxx.xxxx.xxxx
The ATA is also configured Audio Mode 0x00150015
Any one any ideas?