Chapter 6 Viewing Model Information, Status, Statistics, and Security Information on the Cisco Unified IP Phone

Status Menu

Table 6-1

Status Messages on the Cisco Unified IP Phones 7960G and 7940G (continued)

 

 

 

 

Message

 

Description

Possible Explanation and Action

 

 

 

CFG file not found

The name-based and default configuration file

The configuration file for a phone is created when the

 

 

was not found on the TFTP Server.

phone is added to the Cisco Unified Communications

 

 

 

Manager database. If the phone has not been added to

 

 

 

the Cisco Unified Communications Manager

 

 

 

database, the TFTP server generates a CFG File Not

 

 

 

Found response.

 

 

 

Phone is not registered with Cisco

 

 

 

Unified Communications Manager.

 

 

 

You must manually add the phone to Cisco

 

 

 

Unified Communications Manager if you are not

 

 

 

allowing phones to auto-register. See the

 

 

 

“Adding Phones with Cisco Unified

 

 

 

Communications Manager Administration”

 

 

 

section on page 2-9for details.

 

 

 

If you are using DHCP, verify that the DHCP

 

 

 

server is pointing to the correct TFTP server.

 

 

 

If you are using static IP addresses, check

 

 

 

configuration of the TFTP server. See the

 

 

 

“Network Configuration Menu” section on

 

 

 

page 4-4for details on assigning a TFTP server.

 

 

 

CFG TFTP Size Error

The configuration file is too large for file

Power cycle the phone.

 

 

system on the phone.

 

 

 

 

 

Checksum Error

 

Downloaded software file is corrupted.

Obtain a new copy of the phone firmware and place

 

 

 

it in the TFTPPath directory. You should only copy

 

 

 

files into this directory when the TFTP server

 

 

 

software is shut down, otherwise the files may be

 

 

 

corrupted.

 

 

 

 

DHCP timeout

 

DHCP server did not respond.

Network is busy—The errors should resolve

 

 

 

themselves when the network load reduces.

 

 

 

No network connectivity between the DHCP

 

 

 

server and the phone—Verify the network

 

 

 

connections.

 

 

 

DHCP server is down—Check configuration of

 

 

 

DHCP server.

 

 

 

Errors persist—Consider assigning a static IP

 

 

 

address. See the “Network Configuration Menu”

 

 

 

section on page 4-4for details on assigning a

 

 

 

static IP address.

 

 

 

 

Cisco Unified IP Phone 7960G/7940G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP)

6-4

OL-15498-01

 

 

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Cisco Systems 7960G, 7940G manual Adding Phones with Cisco Unified, Communications Manager Administration

7960G, 7940G specifications

Cisco Systems has long been a leader in creating innovative networking and communication solutions. Among their range of Voice over IP (VoIP) phones, the Cisco 7960G and 7940G stand out as robust, versatile devices that cater to the needs of modern businesses. Released in the early 2000s, these models respectively combine functionality, ease of use, and key features tailored for effective communication.

The Cisco 7960G is a high-end model designed for users who demand advanced features and functionalities. It comes with a large backlit LCD display that not only enhances visibility but also provides easy navigation through various options. The phone supports up to six lines, allowing users to manage multiple calls effortlessly. Its user-friendly interface includes programmable feature buttons and a 10/100 Ethernet switch, enabling seamless integration into existing networks.

On the other hand, the Cisco 7940G is a more basic model designed for users who require essential features for their business communications. It includes a monochrome LCD screen and supports a maximum of two lines. Despite its simplicity, the 7940G is equipped with several key features such as integrated speakerphone and mute options, making it ideal for day-to-day communication needs. Both models support Power over Ethernet (PoE), eliminating the need for separate power adapters and ensuring a cleaner, more organized workspace.

In terms of technologies, both the 7960G and 7940G leverage the Session Initiation Protocol (SIP) for signaling and media exchange. They also support secure communication through protocols like Secure Real-time Transport Protocol (SRTP) and Transport Layer Security (TLS). This ensures that businesses can engage in confidential conversations without the risk of interception.

The characteristics that make these models appealing include durability, ease of configuration, and reliability. Organizations can benefit from Cisco’s reliable support and regular updates, ensuring that their communication infrastructure remains robust and secure. With features designed for scalability, both phones can easily integrate into larger systems while maintaining high call quality.

In summary, Cisco’s 7960G and 7940G VoIP phones are exemplary devices that cater to a variety of business communication scenarios. With their blend of functionality, support for essential technologies, and reliable performance, they continue to serve organizations effectively in an increasingly interconnected world. Whether used in a bustling office or as part of a dynamic telecommunications strategy, these models offer excellent value and performance.