Cisco 7941G 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 7961G and 7961G-GE (gigabit Ethernet version) and the 7941G and 7941G-GE (gigabit Ethernet version) are full-feature telephones that provide voice communication over an Internet Protocol (IP) network. The gigabit Ethernet Cisco Unified IP Phone 7961G-GE and 7941G-GE deliver the latest technology and advancements in Gigabit Ethernet VoIP telephony. The Cisco Unified IP Phone functions much like a digital business phone, allowing you to place and receive phone calls and to access features such as mute, hold, transfer, speed dial, call forward, and more. In addition, because the phone is connected to your data network, it offers enhanced IP telephony features, including access to network information and services, and customizeable features and services. The phone also supports security features that include file authentication, device authentication, signaling encryption, and media encryption. The Cisco Unified IP Phone, like other network devices, must be configured and managed. The phone encodes G.711a, G.711µ, G.729a, G.729ab, and decodes all variants of G.711, and G.729. The phone also supports wideband (16bits, 16kHz) audio. This chapter includes the following topics: • Understanding the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE, page 1-2 • What Networking Protocols are Used?, page 1-5 • What Features are Supported on the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE?, page 1-10 Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.1 OL-14620-01 1-1