Using Asterisk to Supply Standardized On-Hold Music for Office Communications Server 2007 R2

This article describes how to use Asterisk to supply standardized, company-wide, on-hold music for all your Microsoft Office Communications Server 2007 R2 end-points (softphone or Voice over Internet Protocol (VoIP) phones). Configuring each end-point in Office Communications Server 2007 R2 can be time-consuming. This scenario is intended for configurations where incoming calls pass through Asterisk…


Call Admission Control in Lync Server 2010

Join us for a brief walkthrough of how to protect your network from being overloaded by voice and video traffic using Call Admission Control in Lync Server 2010. Author: Rui Maximo, Microsoft Principal Technical writer—with Subbu Chandrasekaran and Thomas Binder Editor: Susan S. Bradley Publication date: June 2010 Update date: March 25, 2013 Product version:…

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Voice Resiliency in Lync Server 2010

This article provides an introduction to the new voice resiliency features offered with Microsoft Lync Server 2010. Resiliency architecture will be covered along with the new Survivable Branch Appliance device and scenarios about what the user will experience during a failure. Author: Keith Hanna Publication date: June 2010 Product versions: Microsoft Lync Server 2010 and…


Direct SIP: Configuring Mediation Server

This article is a partner article to “Direct SIP: Cisco Unified Communications Manager 6.1” and focuses on the configuration requirements for the Mediation Server in Office Communications Server 2007 R2. The main steps include configuring CUCM as the Mediation Server’s gateway and modifying Mediation Server’s location profile, but you’ll want to read on to get…

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SIP Trunking: What Is It? Why Do I Need It? How Do I Deploy It?

A SIP trunk is a direct connection between your organization and an ITSP. It enables you to extend VoIP telephony beyond your organization’s firewall without the need for an IP-PSTN gateway. Additionally, SIP trunks can carry instant messages, multimedia conferences, user presence information, Enhanced 9-1-1 (E9-1-1) emergency calls, and other SIP-based, real-time communications services. Because…

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Configuring a Broadvox SIP Trunk in Communications Server 2007 R2

Using the integrated voice features in Communications Server 2007 R2 for external telephone calls adds efficiency and call controls when using Office Communicator. However, enabling Enterprise Voice within Communications Server 2007 R2 can be a daunting task. Using a SIP trunk by Broadvox and the following configuration steps makes the process easier and less costly….

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Direct SIP: Cisco Unified Communications Manager 6.1

If you’re looking for an introduction about how to configure Cisco Unified Communications Manager (CUCM) version 6.1.2 with Office Communications Server 2007 R2, this article will help you. The proper way to connect and interoperate the two products is to set up a Direct SIP connection in Office Communications Server. On the Cisco side, this…

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Configure a ThinkTel SIP Trunk

If you’re looking for a solution that enables you to connect your Office Communications Server infrastructure to the PSTN, you will want to consider configuring a SIP Trunk. A SIP trunk configuration is a great way to go if you don’t already have an IP/PBX. Author: Rui Maximo, Mike Wood (ThinkTel) Publication date: March 9,…

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