IP communications provides powerful and efficient voice, data, and video communications, and related capabilities. Key features include:
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Video telephony—Allows video calls to be placed and received over an IP telephony network using the familiar phone interface. Video endpoints support common call features such as forward, transfer, conference, and hold. Use of a single infrastructure also enables a unified dial plan and user directory for voice and video calls.
•Mobility—Provides for several forms of user mobility, including:
–Extension Mobility—Allows users to access any phone in the Cisco Unified Communications network as their simply logging in to the phone. After log in, the phone assumes all of the user profile information, including line numbers, speed dials and service links.
–Site/campus mobility—Allows users to access the Cisco Unified Communications network through the wireless Cisco Unified Wireless IP Phone 7920G.
–Pervasive mobility—Provides seamless roaming between GSM public wireless networks and the Cisco Unified Communications network for users with Nokia E60, E61, and E70 dual-mode mobile phones.
•Emergency caller response/safety and security—Enables emergency calls in an IP network to be directed to the appropriate Public Safety Access Point (PSAP). In this way, emergency agencies can identify the location of 911 callers without a system administrator needing to keep location information current.