Cisco 7931G Administration Guide - Page 19

1 C H A P T E R An Overview of the Cisco Unified IP Phone The Cisco Unified IP Phone 7931G is a full-featured telephone that provides voice communication over an Internet Protocol (IP) network. Designed for users who are familiar with traditional key sets, they function much like digital business phones, allowing users to place and receive phone calls and to access features such as mute, hold, transfer, speed dial, call forward, and more. In addition, because Cisco Unified IP Phones are connected to your data network, they offer enhanced IP telephony features, including access to network information and services, and customizeable features and services. The phones also support security features that include file authentication, device authentication, signaling encryption, and media encryption. The Cisco Unified IP Phone 7931G provides a pixel-based backlit display, 24 configurable line buttons, and a variety of other functions to meet the communications needs of business with moderate telephone traffic and specific call requirements. Dedicated hold, redial, and transfer keys facilitate call handling. Illuminated mute and speakerphone keys give a clear indication of speaker status. The Cisco Unified IP Phone, like other network devices, must be configured and managed. The phone encodes G.711a, G.711u, G.729a, G.729ab, G.728/iLBC, and decodes all variants of G.711, G.728/iLBC, and G.729. The phone also supports (16-bit, 16-kHz) wideband audio. This chapter includes the following topics: • Understanding the Cisco Unified IP Phone 7931G, page 1-2 • Accessing Phone Menus and Local Features, page 1-5 Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 6.0 OL-12457-01 1-1