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Connect a VoIP Gateway to Communicate with a PBX

 

Applies to: Exchange Server 2013

Topic Last Modified: 2012-11-30

When you configure your telephony and data networks for Unified Messaging (UM) in Microsoft Exchange Server 2013, you must configure the VoIP gateways so they communicate with Client Access servers running the Microsoft Exchange Unified Messaging Call Router service and Mailbox servers running the Microsoft Exchange Unified Messaging service. You must also configure the VoIP gateways to communicate with the Private Branch eXchanges (PBXs) in your organization. You can use the information and links in this topic to configure a VoIP gateway to communicate with a PBX.

When you configure a VoIP gateway, you must consider whether the VoIP gateway device is analog, digital, or analog and digital. If the VoIP gateway interface that connects to a PBX is analog, you must correctly configure the appropriate settings to enable the VoIP gateway to communicate with a PBX. If the VoIP gateway interface that connects to a PBX is digital, it may require no additional configuration to enable the digital interface to communicate with a PBX.

The following suggested resources in the Exchange TechCenter provide information that can help you correctly configure your VoIP gateways and PBXs:

We recommend that all customers who plan to deploy Unified Messaging obtain the assistance of a Unified Messaging specialist. An Exchange Unified Messaging specialist will help make sure that there's a smooth upgrade to Unified Messaging from a legacy or third-party voice mail system and help you plan and deploy a new voice mail system with Exchange Unified Messaging. Deploying a new voice mail system or upgrading a legacy voice one requires significant knowledge about VoIP gateways, PBXs, and Unified Messaging. For more information about how to contact a Unified Messaging specialist, see Microsoft Exchange Server 2013 Unified Messaging (UM) Specialists or certified UM partners at Microsoft Pinpoint.

 
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