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3725 -- VOIP , Firewall, and BGP

I want to set up a voice trunk between two offices in order to eliminate the cost of toll calls. Will I be using a Cisco proprietary PBX that connects to the existing phone systme and provides fail-over to the PSTN network? The last time I checked, there was a software package that ran on an NT 4.0 server and provided that capability.

The routers will also be the edge router to the ISP, and I want to have multi-homed BGP capability and Firewall capability. Is this possible?

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Re: 3725 -- VOIP , Firewall, and BGP

Check out the Cisco Call Manager in which you can effectively use the leased line for voice which will be carried as data packets and can be used for data and voice. And it will work out cheap for Toll calls.

http://www.cisco.com/pcgi-bin/Support/browse/psp_view.pl?p=Software:Cisco_Call_Manager&viewall=true

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