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    We want to deploy OCS server in my company with 20 branches worlwide and each branch has 50 users connected to a replicating AD server from the Head office via IPSEC VPN tunne. Each branch has exsisting PBX for analoge phones.

    We want all the branch offices to be connected via OCS together and also the PBX to communicate with the OCS.

    Is it possible to have an OCS server, Mediation server and media gateway in each branch and to be connected to the Master OCS server at the head office so as call to be routed to the OCS USers and analogue PBX users at the head office or other branches.

    I need a good topology for this solution. Can anyone contribute
    Thursday, July 31, 2008 12:28 PM

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    You can have your Enterprise Front-End server in the main office so that all users connect to this Front-End Server

     

    Place a Gateway and Mediation server in every office to connect to local PBX

    You need Location Profiles for all offices and Routes to the appropriate Mediation Servers

     

    If the WAN link goes down the you can have Gateways that have built in Survivability into the Gateway itself for OCS clients

     

    This is the general idea but it's kind of hard to design your network with so few information

     

    Thursday, July 31, 2008 10:06 PM