Issues with line shared between FXO port and fax machine
Good Afternoon -
We recently installed new services at a site and decided to go with POTS lines for backup connectivity in the event of the failure of our T1. We are sharing these pots lines between a fax machine(s) (direct, not through the voice gateway) and an FXO port(s). The issue I'm running into is that when the FXO ports are active ('no shut' on the ports from the gateway) calls coming into the fax machine ring once then go to a busy signal. Needless to say it goes busy before the fax machine can pickup. If I shut down the ports the calls ring through to the fax machine no problem.
My questions are...
Is there something I can do to make the FXO ports on the gateway outbound only? We have no need for calls coming inbound to the FXO's.
If need be can I make the FXO port just ring indefinitely so I know the fax will answer first?
Some info on our setup
Cisco 2821 IOS version 12.4(24)T2
Call Manager Version 6
We're running MGCP on the gateway
Please let me know if you need any additional information.
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