Our remote branch office houses a 1760 router and 12 Cisco 7940's. I am wanting to route all 911 calls out the router's FXO ports, but am unsure how to configure the dial-peer. The gateway is H.323. Does anyone have any examples?
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Yes. With MGCP you don't have any dial-peer on the router, and everything is configured centrally on the call manager.
even if i have a fxo port with a pots line attached? I need calls to 911 to route out the branch office router using that fxo port. Should i look into another solution?
FXO and 911 is a very good solution. You have two methods to send calls to the gateway from Call Manager. You can use a MGCP Configuration or a H323 Gateway configuration. Each methoed as already been mentioned. Each one has its pros and cons. Also coupled with SRST, if the wan link is down, the phones register locally to the router and call processing is assumed by the router. You mentioned a 1760, you might want to upgrade this router to a ISR router with SRST/CME capability.
To add to the good advice given by Kevin, the 1760 indeed supports SRST/CMT, up to version 4.0 - IOS 12.4(4)XC7.
I would like to follow up the previous message from p.bevilacqua. Here is the link that gives you the restrictions of SRST based on router models. You will see the 1760 supports up to 24 phones in SRST mode.
my branch office has a 2811 with an SRST license - i want any 911 or 9911 call to exit the pots line connected to the FXO card.