sbs 2003 with pbx phone system ?

Edwards Finance > Phones

Q. What is the best way to install sbs 2003 with an existing pbx phone system that port forwards to another location? The pbx box is linux and uses a simple netgear router for the routing to the workstations and the phone. Obviously the SBS will handle the dhcp for the workstations after the upgrade. The question is can I merely split the external ip at the router and use the same address for the sbs and the phone?

A. That's how port forwarding works. You can use one IP on the WAN side. The traffic is routed (by port) to the correct server. 80, 443, 25, 110, 995, etc. can be forwarded to your SBS. The ports required by your local PBX server can be forwarded accordingly. With port forwarding, think of the WAN IP address as a building address. Each forwarded port is an office number. One local resident (server) can answer one or many office numbers. Without a correct office number (port), the incoming traffic is blocked from entering. The caveat is that port forwarding is one-to-one. You can forward port 80 to only one LAN IP, etc. From your description, do you mean you want to use the same router as the firewall for both the phone system and SBS server? Also I assume the network diagram is as following: |------- pbx phone system Internet-------- (public IP) Router --- |-------SBS If so, as I know, you should be able to do so and you need to configure router for correct routing.

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