Migrating large TDM PBX systems to VoIP solutions

This article describes aspects of the migration process from a TDM (Time Division Multiplexing) PBX to a VoIP solution like Office Communications Server.   TDM to VoIP migration using PRI tie lines   A large enterprise TDM PBX consists of one or multiple PBX nodes. All endpoints (mostly PBX phones) on one site are connected…

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Analog Gateways connected to OCS 2007

Depending on the country where OCS 2007 Enterprise Voice will be deployed, it might become necessary to connect analog Gateways to OCS 2007 Mediation Server. If there is no way to avoid this, a Gateway should be chosen that has been certified for OCS 2007 (http://technet.microsoft.com/en-us/office/bb735838.aspx). Furthermore please note:   ·         On Inbound calls: Neither…

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OCS2007 Telephony integration options overview

This blog article shows integration options of OCS installations with existing telephony environments from a high-level perspective. An OCS 2007 voice deployment in a corporate environment typically starts with a pilot installation. Within this pilot installation, a handful of users, users of an entire department or an entire user population of a small enterprise site…

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