I have a Cisco As5350 voice gateway with 4 E1 interface. It coneects to a remote AS5300 gateway by Internet . When the as5300 sends a fax to as 5350 ,it's ok ! But when as5350 sends one to as5300 , it will disconnects when they are handshaking .
The as5350 is configured as fax protocol t.38 & fax rate voice & fax-relay ecm disable.
did you try the configuration change, and did it fix the problem? I have seen an issue similare to this one, but didn't know how to resolve it.
is this a known issue/difference between the 5300 and the 5350? i would like to know more about what specific command/feature causes the fax failure. any more elaboration you can add to your already-interesting comment would be really appreciated.
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