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CCNA Voice Quick Reference by Michael Valentine

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Introducing Cisco Unified Communications Manager Express

Unified CM Express is a router-based call agent that scales up to 240 phones, depending on platform capacity. The system extends the benefits of Unified Communications to small businesses.

Unified CM Express supports a wide range of IP Phone, system, and trunk features, as well as voice-mail integration with Unity, Unity Express, and third-party systems using H.323 or analog DTMF signaling. For a complete feature list, refer to the Unified Communications Manager Express 4.2 Data Sheets on cisco.com.

Unified CM Express runs on the ISR platforms, including the 2800 and 3800 series, and on the 3700 series Multiservice Access Routers. The appropriate IOS IP Voice feature set, along with IP ...

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