CM 5.1, 2851 router at remote location using analog lines connected to an EVM module configured as a h323 gateway. Port 2/0/21 is a fax line. Remote building has an ATA connected to the fax machine and is using port 2/0/21 for their faxes.
I have the following commands:
voice service voip
fax protocol pass-through g711ulaw
h225 timeout setup 3
voice class codec 1
codec preference 1 g711ulaw
codec preference 2 g729r8
I have 2 dial-peer voice X voip and specified codec g711ulaw. Outbound faxes work fine, inbound fax do not. The fax machine answers the call but displays receiving / connecting on the display. The person sending the fax explains that it rings, they hear a faint fax noise like it is receiving and then goes away and just beeps. Can anyone help me out with this scenario?
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