Cisco 7942G Administration Guide

Contents
iv
Cisco Unified IP Phone 7962G and 7942G Administration Guide for Cisco Unified Communications Manager 6.1(3)
OL-17679-01
CHAPTER 2 Preparing to Install the Cisco Unified IP Phone on Your Network 2-1
Understanding Interactions with Other Cisco Unified IP Telephony Products 2-1
Understanding How the Cisco Unified IP Phone Interacts with Cisco Unified Communications
Manager 2-2
Understanding How the Cisco Unified IP Phone Interacts with the VLAN 2-2
Providing Power to the Cisco Unified IP Phone 2-3
Power Guidelines 2-4
Power Outage 2-4
Obtaining Additional Information about Power 2-5
Understanding Phone Configuration Files 2-5
Understanding the Phone Startup Process 2-7
Adding Phones to the Cisco Unified Communications Manager Database 2-8
Adding Phones with Auto-Registration 2-9
Adding Phones with Auto-Registration and TAPS 2-10
Adding Phones with Cisco Unified Communications Manager Administration 2-11
Adding Phones with BAT 2-11
Using Cisco Unified IP Phones with Different Protocols 2-11
Converting a New Phone from SCCP to SIP 2-12
Converting an In-Use Phone from SCCP to SIP 2-12
Converting an In-Use Phone from SIP to SCCP 2-12
Deploying a Phone in an SCCP and SIP Environment 2-13
Determining the MAC Address for a Cisco Unified IP Phone 2-13
CHAPTER 3 Setting Up the Cisco Unified IP Phone 3-1
Before You Begin 3-1
Network Requirements 3-1
Cisco Unified Communications Manager Configuration 3-2
Safety 3-2
Understanding the Cisco Unified IP Phone 7962G and 7942G Components 3-3
Network and Access Ports 3-3
Handset 3-4
Speakerphone 3-4
Headset 3-4
Audio Quality Subjective to the User 3-5
Connecting a Headset 3-5
Disabling a Headset 3-5
Enabling a Wireless Headset 3-6
Using External Devices with Your Cisco Unified IP Phone 3-6

Cisco 7942G Specifications

General

Lines	2
Audio Codec Support	G.711, G.729a, G.729ab, G.722
Network Protocols	SIP, SCCP
Ethernet Ports	2 x 10/100
Power Options	PoE 802.3af, Optional Power Cube
Speakerphone	Yes
Headset Port	Yes
Weight	3.5 lbs