I have two extra phone lines connected to a VIC-4FXO interface card on a 2801 router. How do I route all phone calls to those lines while their T1 is down? Help would be greatly appreciated.
It will depend on what protocol (h323 or mgcp) you are using for your gateway. Take a look at this previous post, which should hopefully guide you in the right direction.
MGCP Protocol. Thanks for the link. Definitely going to read that article.
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