Cisco Unified IP Phone 7940G

Case Studies

• Health System Improves Patient Experience, Gains IT Efficiencies
• Luxury Hotel Transforms Guest Experience Through Technology
• Print and Marketing Services Provider Simplifies Collaboration and Customer Care
• University Integrates Voice and Collaboration Tools in One Interface
• Pervasive Video Extends University's High-Touch Culture
• Not-for-Profit Transforms Communication Service Delivery
• Partner Empowers Global Teams with Online Communities

Data Sheets

• Cisco Unified IP Phone 7940G
• Cisco Unified IP Phones and TelePresence System Video Endpoints Guide

End-User Guides^ Back to Top

• Cisco IP Phone Guide 7960G/7940G for Cisco CallManager 4.1.2 - PDF of the entire book

Field Notices^ Back to Top

• Field Notice: FN - 62782 - CSCsi29861 Causes Call Log Detail to Be Incorrect on Some Models of Cisco Unified IP Phones When Running Firmware 8.2(2)
• Field Notice: FN - 62666 - US Daylight Savings Time Policy Change Effective March 2007 - for Cisco Unified IP Phones 7900 Series
• Field Notice: FN - 62495 - Phone Firmware 8.0(3) May Cause Cisco Unified IP Phones to be Stuck in Configuring IP State if DHCP and CallManager Servers are Unreachable for More Than Four Minutes
• Field Notice: FN - 62374 - IP Phone Firmware 7.2(2), 8.0(1) and 8.0(2) Cause Handset Audio to be too Loud
• Field Notice: FN - 62224 - IP Phones may not Boot Up when MIC is used for Authentication on Cisco Call Manager 4.0 or 4.1
• Field Notice: FN - 62121 - CP-7940G and CP-7960G May Reboot if Volume is Set to Maximum
• Field Notice: FN - 62135 - Cisco CallManager 4.1(3) May Prevent Manually Added IP Phones From Booting Up
• Field Notice: IP Phone in Loopback May Cause VLAN Instability
• Field Notice: FN - 27255 - Troubleshooting "Ethernet Disconnected" Messages or Power Failures on Cisco IP Telephones
• Field Notice: FN - 24054 - Interoperability Issue between Mixed Version IP Phones, Aironet Access Points, and Line Power Switches
• Field Notice: "Code Red" Affecting Cisco CP-79xx Series IP Phones
• Field Notice: FN - 62878 - New Zealand Daylight Saving Time Policy Changes Effective September 2007 - For Cisco Unified IP Phones
• Field Notice: FN - 63315 - CP-79XX IP Phones, Front Label May Fall off After a Given Period of Time

Install and Upgrade Guides^ Back to Top

• Installing the Wall Mount Kit for the Cisco IP Phone
• Installing the Universal Wall Mount Kit for the Cisco IP Phone
• Regulatory Compliance and Safety Information for Cisco Unified IP Phones
• Regulatory Compliance and Safety Information for the Cisco Unified IP Phone Power Injector

Q&As^ Back to Top

• Cisco Unified Communications
• Cisco Technical Support IP Phone FAQ
• Power over Ethernet (PoE) Power Requirements FAQ

Troubleshooting TechNotes^ Back to Top

• Cisco 79xx Phone Stuck with 3.1(x) Load, Will Not Connect to CallManager
• Converting a Cisco 7940/7960 CallManager Phone to a SIP Phone and the Reverse Process
• Troubleshooting Cisco IP Phone Registration Problems with Cisco CallManager 3.x and 4.x
• Using the 79xx Status Information For Troubleshooting
• Setting Up Cisco IP Phones for Use with Cisco WebAttendant for Cisco CallManager 3.0
• Fixing Issues with Corporate Directory Lookup from the Cisco IP Phone
• Reset 7900 Series IP Phones if Password is Set
• Understanding IP Phone In-Line Power Provisioning on the Catalyst 6500/6000 Switch
• Understanding the Cisco IP Phone 10/100 Ethernet In-Line Power Detection Algorithm
• Idle URL Logo Does Not Display on the Cisco 7960/7940 IP Phone LCD
• Creating Idle URL Using Graphics on Cisco IP Phone
• Best Practices for Cleaning and Troubleshooting Cisco IP Phone Hookswitch
• IP Phone 7940/7960 Fails to Boot - Protocol Application Invalid
• IP Phone Load Conversion from SIP to MGCP
• IP Phone Error Message - Registration Rejected: Error DBConfig
• IP Phone Error Message: Error Pass Limit
• IP Phone Error Message: "Not Enough Bandwidth"
• IP Phones: Directories and Services Buttons Prompt for Username and Password
• How to Find the Firmware Version From a Cisco IP Phone
• IP Phones: No Dial Tone and the "High Traffic Try Again Later" Error Message Appears
• RSS Feeds for Hot Issues in Cisco TAC
• Cisco IP Phone Displays "XML Parse Error" when Accessing the Cisco Corporate Directory
• IP Phones Display Incorrect Message: Logged out of Hunt Group
• IP Phone: Call Forward Busy Gives a Fast Busy Tone
• Cannot Delete IP Phone Associated with IP Communicator
• Upgrade IP Phone Firmware Individually
• CallManager Express: To Fake_Display Appears for Called Party Name
• CallManager 4.x/5.x/6.x: ConfList Feature Fails with the "Error Unknown" Error Message on IP Phone Screen
• Unified Communications Manager 7.x: IP Phone Error Message - Registration Rejected: Error DBConfig
• Unified IP Phone Expansion Module 7914 Displays Garbled Characters
• Trust List Update Failed on Migrating IP Phones from CUCME to CUCM8.x

Configuration Examples and TechNotes

• CallManager MoH uses G.711 Codec while Voice Calls use G.729 Codec Configuration Example
• Upgrade IP Phone Firmware with CCME
• Configure IOS Catalyst Switches to Connect Cisco IP Phones Configuration Example
• Configure CatOS Catalyst Switches to Connect Cisco IP Phones Configuration Example
• Mapping Outbound Calls to Unique FXS/FXO Ports on Analog Gateways

Release Notes

• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.0(5) (SCCP)
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.0(6)
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.0(7)
• Cisco IP Phone 7960, 7940, and 7910 Release Notes for Firmware Release 3.2(5) for Cisco CallManager Version 3.2
• Cisco IP Phone 7960, 7940, and 7910 Release Notes for Firmware Release 3.1(11) for Cisco CallManager Version 3.1
• Cisco IP Phone 7960, 7940, and 7910 Release Notes for Firmware Release 3.2(6) for Cisco CallManager Version 3.2
• Cisco IP Phone 7960, 7940, and 7910 Release Notes for Firmware Release 3.3(2) for Cisco CallManager Version 3.3
• Cisco IP Phone 7960, 7940, and 7910 Release Notes for Firmware Release 3.1(2) for Cisco CallManager Version 3.1
• Cisco IP Phone 7960, 7940, and 7910 Release Notes for Firmware Release 3.2(7) for Cisco CallManager Version 3.2
• Cisco IP Phone 7960, 7940, and 7910 Release Notes for Firmware Release 3.3(3) for Cisco CallManager Version 3.3
• Cisco IP Phone 7960, 7940, and 7910 Release Notes for Firmware Release 5.0(1a) for Cisco CallManager Versions 3.1, 3.2, 3.3
• Cisco IP Phone 7960, 7940, and 7910 Release Notes for Firmware Release 5.0(3) for Cisco CallManager Versions 3.1, 3.2, and 3.3
• Cisco IP Phone 7960, 7940, and 7910 Release Notes for Firmware Release 5.0(4) for Cisco CallManager Versions 3.1, 3.2, and 3.3
• Cisco IP Phone 7960, 7940, and 7910 Release Notes for Firmware Release 5.0(5) for Cisco CallManager Versions 3.1, 3.2, and 3.3
• Cisco IP Phone 7960G and 7940G Release Notes for Firmware Release 6.0(3) for Cisco CallManager Versions 4.0 , 3.3, 3.2, and 3.1
• Cisco IP Phone 7960G and 7940G Release Notes for Firmware Release 6.0(4) for Cisco CallManager Versions 4.0, 3.3, 3.2, and 3.1
• Cisco IP Phone 7960, 7940, and 7910 Release Notes for Firmware Release 5.0(6) for Cisco CallManager Versions 3.1, 3.2, and 3.3
• Cisco IP Phone 7960G and 7940G Release Notes for Firmware Release 6.0(5) for Cisco CallManager Versions 4.0, 3.3, 3.2, and 3.1
• Cisco IP Phone 7960G and 7940G Release Notes for Firmware Release 7.0(2) for Cisco CallManager Versions 4.1 and later
• Cisco IP Phone 7960G and 7940G Release Notes for Firmware Release 7.1(2) for Cisco CallManager Vers. 4.1, 4.0, 3.3, 3.2, 3.1
• Cisco IP Phone 7960G and 7940G Release Notes for Firmware Release 7.2(2) for Cisco CallManager Version 4.1, 4.0, 3.3, 3.2, 3.1
• Cisco IP Phone 7910 Release Notes for Firmware Release 5.0(7) for Cisco CallManager Versions 4.1, 4.0, 3.3, 3.2, 3.1
• Cisco IP Phone 7960G and 7940G Release Notes for Firmware Release 7.2(3) for Cisco CallManager 4.1, 4.0, 3.3, 3.2, 3.1
• Cisco IP Phone 7960G and 7940G Release Notes for Firmware Release 7.2(4) for Cisco CallManager Versions 4.1, 4.0, 3.3, 3.2, 3.1
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.0(1) for Cisco Unified CallManager (SCCP)
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.1.0 for Cisco Unified CallManager 5.0 (SIP)
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.2.0 for Cisco Unified CallManager 5.0 (SIP)
• Cisco Unified IP Phone 7960G/7940G Release Notes for Firmware Release 8.0(2) for Cisco Unified CallManager 5.0, 4.2, 4.1, 3.3
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.3 for Cisco Unified CallManager 5.0 (SIP)
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.0(3) for Cisco Unified CallManager 5.0, 4.2, 4.1, 3.3
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.4 for Cisco Unified CallManager 5.0 (SIP)
• Cisco Unified IP Phone 7940G and 7960G Release Notes for Firmware Release 8.0(4) for Cisco Unified CallManager 5.0 (SCCP)
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.5 (SIP)
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.6 (SIP)
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.0(8) (SCCP)
• Cisco Unified IP Phone Release Notes for Firmware Release 8.3(4)SR1 (SCCP and SIP) 7971G-GE, 7970G, 7961G-GE, 7961G, 7941G-GE, 7941G, 7931G (SCCP only), 7911G, and 7906G
• Cisco Unified IP Phone 7975G, 7965G, 7945G, 7962G and 7942G Release Notes for Firmware Release 8.3(4)SR1 (SCCP and SIP)
• Cisco Unified IP Phone 7960G and 7940G (SIP) Release Notes for Firmware Release 8.9
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.0(9) (SCCP)
• Cisco Unified IP Phone 7975G, 7965G, 7945G, 7962G and 7942G Release Notes for Firmware Release 8.3(5) (SCCP and SIP)
• Cisco Unified IP Conference Station 7935 Release Notes for Firmware Release 3.2(19) (SCCP)
• Cisco Unified IP Conference Station 7936 Release Notes for Firmware Release 3.3(16) (SCCP)
• Cisco Unified IP Phone 7975G, 7965G, 7945G, 7962G and 7942G Release Notes for Firmware Release 8.4(1) (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 8.4(1) (SCCP and SIP)
• Cisco Unified IP Phone 7975G, 7965G, 7962G, 7945G and 7942G Release Notes for Firmware Release 8.4(1)SR1 (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 8.4(1)SR1 (SCCP and SIP)
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.0(10) (SCCP)
• Cisco Unified IP Phone 7975G, 7965G, 7962G, 7945G and 7942G Release Notes for Firmware Release 8.4(1)SR2 (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 8.4(1)SR2 (SCCP and SIP) 7971G-GE, 7970G, 7961G-GE, 7961G, 7941G-GE, 7941G, 7931G, 7911G, and 7906G
• Cisco Unified IP Conference Station 7937G Release Notes for Firmware Release 1.3(2)
• Cisco Unified IP Phone 7975G, 7965G, 7962G, 7945G and 7942G Release Notes for Firmware Release 8.4(2) (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 8.4(2) 7971G-GE, 7970G, 7961G-GE, 7961G, 7941G-GE, 7941G, 7931G, 7911G, and 7906G (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 8.4(3) (SCCP and SIP) 7971G-GE, 7970G, 7961G-GE, 7961G, 7941G-GE, 7941G, 7931G, 7911G, and 7906G
• Cisco Unified IP Phone 7975G, 7965G, 7962G, 7945G and 7942G Release Notes for Firmware Release 8.4(3) (SCCP and SIP)
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.1(1) (SCCP)
• Cisco Unified IP Phone 7960G and 7940G (SIP) Release Notes for Firmware Release 8.11
• Cisco Unified IP Phone 7975G, 7965G, 7962G, 7945G and 7942G Release Notes for Firmware Release 8.4(4) (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 8.4(4) (SCCP and SIP) 7971G-GE, 7970G, 7961G-GE, 7961G, 7941G-GE, 7941G, 7931G, 7911G, and 7906G
• Cisco Unified IP Phone Release Notes for Firmware Release 8.5(2) (SCCP and SIP) 7975G, 7971G-GE, 7970G, 7965G, 7962G, 7961G-GE, 7961G, 7945G, 7942G, 7941G-GE, 7941G, 7931G, 7911G, and 7906G
• Cisco Unified IP Phone 7960G and 7940G (SIP) Release Notes for Firmware Release 8.12
• Cisco Unified IP Phone Release Notes for Firmware Release 8.5(2)SR1 (SCCP and SIP) 7975G, 7971G-GE, 7970G, 7965G, 7962G, 7961G-GE, 7961G, 7945G, 7942G, 7941G-GE, 7941G, 7931G, 7911G, and 7906G
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.1(2) (SCCP)
• Cisco Unified IP Phone Release Notes for Firmware Release 8.5(3) (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 8.5(4) (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 9.0(2)SR1 (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 9.0(2)SR2 (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 9.0(3) (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 8.5(3)SR1 (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 9.1(1)SR1 (SCCP and SIP)
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.1(2) SR1 (SCCP)
• Cisco Unified IP Phone Release Notes for Firmware Release 9.2(1) (SCCP and SIP)
• Cisco Unified IP Phone 7960G and 7940G Release Notes for Firmware Release 8.1(2) SR2 (SCCP)
• Cisco Unified IP Phone Release Notes for Firmware Release 9.2(1) SR2 (SCCP and SIP)
• Cisco Unified IP Phone Release Notes for Firmware Release 9.2(3) (SCCP and SIP)
• Cisco Unified IP Phone 7900 Series Release Notes for Firmware Release 9.3(1)

Security Advisories, Responses and Notices^ Back to Top

• Multiple Vulnerabilities in Cisco Unified IP Phones 7900 Series
• Crafted ICMP Messages Can Cause Denial of Service
• Vulnerabilities in H.323 Message Processing
• Multiple Product Vulnerabilities Found by PROTOS SIP Test Suite
• Multiple Vulnerabilities in Cisco IP Telephones
• "Code Red" Worm - Customer Impact
• Security Notice: Cisco 802.1x Voice-Enabled Interfaces Allow Anonymous Voice VLAN Access
• Cisco Security Notice: Crafted DNS Packet Can Cause Denial Of Service
• Cisco Security Notice: Response to BugTraq - The Trivial Cisco IP Phones Compromise
• Cisco IP Phone 7940 DoS Exploit posted on milw0rm.com

Technical References^ Back to Top

• Wireless Voice Security Recommendations
• Cisco Wideband Handset Advisory
• Accessibility Features for the Cisco Unified IP Phone 7900 Series