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Cisco 7940G Administration Guide

Cisco 7940G
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1-8
Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SIP)
OL-15499-01
Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding Security Features for Cisco Unified IP Phones
Overview of Supported Security Features
Table 1-3 provides an overview of the security features that the Cisco Unified IP Phones support. For
more information about these features and about Cisco Unified Communications Manager and
Cisco
Unified IP Phone security, refer to Cisco Unified Communications Manager Security Guide.
Note Most security features are available only if a certificate trust list (CTL) is installed on the phone. For
more information about the CTL, refer to “Configuring the Cisco Unified CTL Client” chapter in Cisco
Unified Communications Manager Security Guide.
Ta b l e 1-2 Cisco Unified IP Phone and Cisco Unified Communications Manager
Security Topics
Topic Reference
Detailed explanation of security, including set up, configuration,
and troubleshooting information for
Cisco
Unified Communications Manager and Cisco Unified IP
Phones
Refer to Cisco Unified Communications Manager
Security Guide
Security features supported on the Cisco Unified IP Phone See the “Overview of Supported Security Features”
section on page 1-8
Security and the phone startup process See the “Understanding the Phone Startup Process”
section on page 2-6
Security and phone configuration files See the “Understanding Phone Configuration Files”
section on page 2-5
Understanding security icons in the Communications Manager
options in the Network Configuration Menu on the phone
See the “Unlocking and Locking Options” section on
page 4-2
Troubleshooting See the “Troubleshooting Cisco Unified IP Phone
Security” section on page 7-9
Refer to Cisco Unified Communications Manager
Security Guide
Resetting or restoring the phone See the “Resetting or Restoring the Cisco
Unified IP Phone” section on page 7-12

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Cisco 7940G Specifications

General IconGeneral
Keypad number of keys12
Touchscreen-
SpeakerphoneYes
Voice codecsG.711, G.729a
BluetoothNo
Supported network protocolsDHCP, SCCP, SIP, MGCP
Ethernet LAN (RJ-45) ports2
Input voltage48 V
Dimensions (WxDxH)266.7 x 152.4 x 203.2 mm
Storage temperature (T-T)-10 - 60 °C
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95 %
Handset typeWired handset
Product typeIP Phone
Product colorGray
Safety(UL) 60950, (CSA) C22.2 No. 60950
CertificationCE (FCC) 15 (CFR 47) B ICES-003 B EN55022 B CISPR22 B AS/NZ 3548 B VCCI B EN55024 EN 50082-1 EN 61000-3-2 EN 61000-3-3 FCC 68 (CFR47) HAC IC CS-03
Compliance industry standardsIEEE 802.3, IEEE 802.3u, IEEE 802.1Q
Lines quantity- lines
Phonebook capacity- entries
Number of handles included1 pc(s)
Weight and Dimensions IconWeight and Dimensions
Weight1600 g

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