Cisco 7911G Administration Guide - Page 27

Chapter 1 An Overview of the Cisco Unified IP Phone What Features are Supported? Table 1-1 Supported Networking Protocols on the Cisco Unified IP Phone (continued) Networking Protocol Purpose Usage Notes Transport Layer Security (TLS) TLS is a standard protocol for securing and authenticating communications. When security is implemented, Cisco Unified IP Phones use the TLS protocol when securely registering with Cisco Unified Communications Manager. Trivial File Transfer Protocol (TFTP) TFTP allows you to transfer files over the network. On the Cisco Unified IP Phone, TFTP enables you to obtain a configuration file specific to the phone type. TFTP requires a TFTP server in your network, which can be automatically identified from the DHCP server. If more than one TFTP server is running in your network, you must manually assign a TFTP server to each phone locally. User Datagram Protocol UDP is a connectionless messaging Cisco Unified IP Phones receive and (UDP) protocol for delivery of data packets. process UDP messages. Related Topics • Understanding Interactions with Other Cisco Unified Communications Products, page 2-2 • Understanding the Phone Startup Process, page 2-8 • Network Configuration Menu, page 4-7 What Features are Supported? The Cisco Unified IP Phones 7906G and 7911G function much like traditional analog phones, allowing you to place and receive telephone calls. In addition to traditional telephony features, each Cisco IP Phone includes features that enable you to administer and monitor the phone as a network device. This section includes the following topics: • Feature Overview, page 1-10 • Configuring Telephony Features, page 1-11 OL11954-01 Cisco Unified IP Phone 7906G and 7911G for Cisco Unified Communications Manager 6.0 1-9