search for: send_receive_fax

Is there any trick to getting T.38 fax to work with SIP? I had it working and one day with no changes *poof* it stopped working and hasn't worked for months. The only common factor is Asterisk 1.4.x (always try to use the latest version) and NAT. I've tried: -Linksys ATA -Grandstream ATA -Audicodes ATA All do the same thing. Call connects, hear the first 2sec of fax tone and then just