BCM 400 IP Trunk Network with ATA's at Remote BCM's 1

[lm69739]

Having a problem getting the ATA's at the remote BCM 400's to stay connected on a modem connection across the IP Trunks. The ATA's at the Host BCM work fine with a modem connection. Faxes through the ATA's at the remote sites work fine, just can't establish a modem call. (The ATA's are used for credit card processing).

 

[biv343]

Modems are not supported over IP trunks. You can run T.38 fax over IP trunks if G.711 is the codec, but a modem call over IP trunks will never work properly.