Long story short, I have a small business with a Cisco UC520, 4 FXO ports in use. I need a way to set the outgoing caller ID to always show a single number, so I can set that as the pilot and auto attendant for all the incoming calls. As it is now, in the CCA under the outgoing dial plan -> Caller ID tab that caller ID cannot be configured because FXO trunks handle that automatically. Can anyone advise me on how to skin this cat?
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