Cisco 7941G Administration Guide - Page 28

Chapter 1 An Overview of the Cisco Unified IP Phone What Features are Supported on the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE? 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 you want a phone to use a TFTP server other than the one specified by the DHCP server, you must manually assign the IP address of the TFTP server by using the Network Configuration menu on the phone. User Datagram Protocol UDP is a connectionless messaging Cisco Unified IP Phones transmit and (UDP) protocol for delivery of data packets. receive RTP streams, which utilize UDP. Related Topics • Understanding Interactions with Other Cisco Unified IP Telephony Products, page 2-2 • Understanding the Phone Startup Process, page 2-10 • Network Configuration Menu, page 4-7 What Features are Supported on the Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE? The Cisco Unified IP Phone functions much like a digital business phone, allowing you to place and receive telephone calls. In addition to traditional telephony features, the Cisco IP Phone includes features that enable you to administer and monitor the phone as a network device. This section includes the following topics: 1-10 Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.1 OL-14620-01