Cisco 7971G-GE Administration Guide - Page 55

Chapter 3 Setting Up the Cisco Unified IP Phone Understanding the Cisco Unified IP Phone 7970 Series Components Handset Each port supports 10/100 or 10/100/1000 Mbps half- or full-duplex connections to external devices. You can use either Category 3 or 5 cabling for 10-Mbps connections, but you must use Category 5 for 100 and 1000 Mbps connections. Use the SW network port to connect the phone to the network. You must use a straight-through cable on this port. The phone can also obtain inline power from a switch over this connection. See the "Providing Power to the Phone" section on page 2-3 for details. Use the PC access port to connect a network device, such as a computer, to the phone. You must use a straight-through cable on this port. The handset is designed especially for use with a Cisco Unified IP Phone. It includes a light strip that indicates incoming calls and voice messages waiting. To connect a handset to the Cisco Unified IP Phone, remove the hookswitch clip from the cradle area, as shown in Figure 3-1. Then plug the cable into the handset and into the Handset port on the back of the phone. Figure 3-1 Removing the Hookswitch Clip 185165 Speakerphone By default, the speakerphone is enabled on Cisco Unified IP Phone 7970 Series. You can disable the speakerphone by using Cisco Unified Communications Manager Administration. To do so, choose Device > Phone and locate the phone you want to modify. In the Phone Configuration for the phone, check the Disable Speakerphone check box. Headset Although Cisco Systems performs internal testing of third-party headsets for use with the Cisco Unified IP Phones, Cisco does not certify or support products from headset or handset vendors. Cisco recommends the use of good quality external devices, for example, headsets that are screened against unwanted radio frequency (RF) and audio frequency (AF) signals. Depending on the quality of headsets and their proximity to other devices, such as mobile phones and two-way radios, some audio noise or echo may still occur. An audible hum or buzz may be heard by either the remote party of by both the remote party and the Cisco Unified IP Phone user. Humming or buzzing sounds can be caused by a range of outside sources; for example, electric lights, electric motors, or large PC monitors. See Using External Devices, page 3-4, for more information. OL-15299-01 Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 7.0 3-3