[This is pre-release documentation and subject to change in future releases. This topic's current status is: Milestone-Ready]

Topic Last Modified: 2010-06-07

To support the features of the Enterprise Voice workload as well as dial-in conferencing, you must deploy at least one Mediation Server. Each Mediation Server must be configured as an intermediary between your internal Communications Server VoIP infrastructure and at least one gateway peer (an IP-PSTN gateway, an IP-PBX, or a Session Border Controller for an Internet Telephony Service Provider to which you connect by configuring a SIP Trunk) that you define in your topology.

Although there are no restrictions regarding the order in which you define Mediation Servers and gateway peers in your topology, the topics in this section describe how to define a gateway peer and then deploy a standalone Mediation Server pool that translates signaling and, in some configurations, media to and from that gateway peer.

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