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Microsoft® Lync Server 2010 Unleashed by Tom Pacyk, Andrew Abbate, Alex Lewis

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Site Prefixes

A common scenario with an organization spread across multiple sites is that extensions are not unique within the organization. Typically, a PBX exists in each site and the same extensions are used across sites. When this occurs, users can either use a DID to reach users in another site or a site prefix might be assigned.

For example, consider a scenario where Company ABC has offices in San Francisco and San Jose. Alice and Bob both work in the San Francisco office where Alice has extension 234 and Bob has extension 456. When Bob wants to dial Alice, he can simply dial 234 and be connected immediately. Now assume Joe works in the San Jose office where a different PBX exists, also with extension 234. Bob cannot dial Joe using 234 ...

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