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Esker Fax implementation Foip

running CM 6.0.1 with SIP trunks to Esker.

Calls go out a 3825.

My problem is that when trying to fax..the handshake seems to start, but then disconnects. Complete newbie to Foip

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Re: Esker Fax implementation Foip

If fax or voice transmissions passing through Cisco voice gateways disconnect, you might need to disable call-progress messages on the gateway. By default, Cisco voice gateways have progress messages enabled. However, the connecting PBX systems might not recognize these messages, causing the calls or fax transmissions to drop.

http://www.cisco.com/univercd/cc/td/doc/product/voice/c_access/fxmdmnt.htm

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