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Cisco 7931G Administration Guide

Cisco 7931G
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2-7
Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 8.0 (SCCP and SIP)
OL-20798-01
Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network
Adding Phones to Cisco Unified Communications Manager
Adding Phones to Cisco Unified Communications Manager
Before installing the Cisco Unified IP Phone, you must choose a method for adding phones to the
Cisco Unified Communications Manager database. These sections describe the methods:
Adding Phones with Auto-Registration, page 2-8
Adding Phones with Auto-Registration and TAPS, page 2-9
Adding Phones with Cisco Unified Communications Manager Administration, page 2-10
Adding Phones with BAT, page 2-10
7. Requesting the ITL file. The phone requests the ITL file after it requests the CTL
file. The ITL file contains the certificates of the entities
that the phone can trust. The certificates are used for
authenticating a secure connection with the servers or
authenticating a digital signature signed by the servers.
The ITL file is available to the phone only from Cisco
Unified Communications Manager 8.0 and later.
See the Cisco Unified
Communications Manager
Security Guide, Configuring the
Cisco CTL Client.
8. Requesting the
Configuration file.
The TFTP server has configuration files, which define
parameters for connecting to Cisco
Unified Communications Manager and other
information for the phone.
See Understanding Phone
Configuration Files, page 2-5.
See Resolving Startup Problems,
page 9-1.
9. Contacting Cisco Unified
Communications
Manager.
The configuration file defines how the Cisco
Unified IP Phone communicates with Cisco
Unified Communications Manager and provides a phone
with its load ID. After obtaining the file from the TFTP
server, the phone attempts to make a connection to the
highest priority Cisco Unified Communications
Manager on the list. If the security profile of the phone is
configured for secure signaling (encrypted or
authenticated) and the Cisco Unified Communications
Manager is set to secure mode, the phone makes a
TLS connection. Otherwise, it makes a nonsecure
TCP connection.
If the phone was manually added to the database, Cisco
Unified Communications Manager identifies the phone.
If the phone was not added manually to the database and
auto-registration is enabled in Cisco Unified
Communications Manager, the phone attempts to
auto-register itself in the Cisco Unified Communications
Manager database.
Note Auto-registration is disabled when security is
enabled on Cisco Unified Communications
Manager. In this case, the phone must be
manually added to the Cisco Unified
Communications Manager database.
See Resolving Startup Problems,
page 9-1.
Table 2-3 Cisco Unified IP Phone Startup Process (continued)
No. Process Description Related Topics

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Cisco 7931G Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Wall mountableYes
Electromagnetic compatibilityFCC Part 15 (CFR 47) Class B, ICES-003 Class B, EN55022 Class B, CISPR22 Class B, AS/NZS CISPR 22 Class B, CISPR 24, VCCI Class B, EN55024, EN 50082-1, EN 61000-3-2, EN 61000-3-3, EN 61000-6-1
Wi-FiNo
Networking standardsIEEE 802.1Q, IEEE 802.1af, IEEE 802.1p
Ethernet LAN interface typeFast Ethernet
Supported network protocolsDHCP, TFTP, CDP
Lines quantity24 lines
Phonebook capacity- entries
Number of VoIP accounts-
Voice codecsG.711a, G.729A, G.729B, G.729ab
Volume controlDigital
Display resolution192 x 64 pixels
Display number of lines3 lines
Display number of colorsMonochrome
Storage temperature (T-T)-10 - 60 °C
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Safety(UL) 60950, (CSA) C22.2 No. 60950, EN 60950, IEC 60950, AS/NZS60950, TS 001
Number of handles included1 pc(s)
Weight and Dimensions IconWeight and Dimensions
Depth229 mm
Width203 mm
Height178 mm
Weight1360 g

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