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

 

 

 

 

DNS timeout

 

DNS server did not respond.

Network is busy—The errors should resolve

 

 

 

themselves when the network load reduces.

 

 

 

No network connectivity between the DNS

 

 

 

server and the phone—Verify the network

 

 

 

connections.

 

 

 

DNS server is down—Check configuration of

 

 

 

DNS server.

 

 

 

DNS unknown host

DNS could not resolve the name of the TFTP

Verify that the host names of the TFTP server or

 

 

server or Cisco Unified Communications

Cisco Unified Communications Manager are

 

 

Manager.

configured properly in DNS.

 

 

 

Consider using IP addresses rather than host

 

 

 

names.

 

 

 

 

Duplicate IP

 

Another device is using the IP address assigned

If the phone has a static IP address, verify that

 

 

to the phone.

you have not assigned a duplicate IP address. See

 

 

 

the “Network Configuration Menu” section on

 

 

 

page 4-4section for details

 

 

 

If you are using DHCP, check the DHCP server

 

 

 

configuration.

 

 

 

Error update locale

One or more localization files could not be

From Cisco Unified Operating System

 

 

found in the TFTPPath directory or were not

Administration, check that the following files are

 

 

valid. The locale was not changed.

located within the subdirectories in TFTP File

 

 

 

Management.

 

 

 

Located in subdirectory with same name as

 

 

 

network locale:

 

 

 

tones.xml

 

 

 

Located in subdirectory with same name as user

 

 

 

locale:

 

 

 

glyphs.xml

 

 

 

dictionary.xml

 

 

 

kate.xml

 

 

 

IP address released

The phone has been configured to release its IP

The phone remains idle until it is power cycled or you

 

 

address.

reset the DHCP address. See the “Network

 

 

 

Configuration Menu” section on page 4-4section for

 

 

 

details.

 

 

 

 

Load ID incorrect

Load ID of the software file is of the wrong

Check the load ID assigned to the phone (from Cisco

 

 

type.

Unified Communications Manager, choose Device >

 

 

 

Phone). Verify that the load ID is entered correctly.

 

 

 

 

 

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

 

OL-15498-01

6-5

 

 

 

Page 85
Image 85
Cisco Systems 7940G, 7960G manual Configuration Menu section on page 4-4section for

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.