Topic Reference, Security Guide | Cisco Systems 7960G, 7940G

Chapter 1 An Overview of the Cisco Unified IP Phone

Understanding Security Features for Cisco Unified IP Phones

Table 1-2	Cisco Unified IP Phone and Cisco Unified Communications Manager
	Security Topics

Topic		Reference

Detailed explanation of security, including set up,		Refer to Cisco Unified Communications Manager Security
configuration, and troubleshooting information for		Guide
Cisco Unified Communications Manager and
Cisco Unified IP Phones

Security features supported on the Cisco Unified IP Phone		See the “Overview of Supported Security Features” section on
		page 1-9

Restrictions regarding security features		See the “Security Restrictions” section on page 1-11

How CAPF interacts with a phone when the phone resets		See the “CAPF Interaction when the Phone Resets” section on
		page 1-12

Identifying phone calls for which security is implemented		See the “Identifying Encrypted and Authenticated Phone
		Calls” section on page 1-11

TLS connection		See the “What Networking Protocols Are Used?” section on
		page 1-4

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

Configuring a locally significant certificate (LSC) on the		See the “Configuring Security on the Cisco Unified IP Phone”
phone		section on page 3-10

Understanding security icons in the Communications		See the “Cisco Unified Communications Manager Options”
Manager 1 through Communications Manager 5 options in		section on page 4-10
the Network Configuration Menu on the phone

Security items on the Security Configuration Menu on the		See the “Security Configuration Menu” section on page 6-12
phone

Changing the TFTP Server 1 option on the phone when		See the “CTL File Menu” section on page 6-12
security is implemented

Removing a certificate trust list (CTL) file from the phone		See the “CTL File Menu” section on page 6-12

Security items on the Trust List menu on the phone		See the “Trust List Menu” section on page 6-14

Disabling access to a phone’s web pages		See the “Disabling and Enabling Web Page Access” section
		on page 7-3

Troubleshooting		• See the “Troubleshooting Cisco Unified IP Phone
		Security” section on page 8-9
		• 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 8-13

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

1-8	OL-15498-01

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.

Cisco Systems 7960G manual Topic Reference, Refer to Cisco Unified Communications Manager Security

Models: 7960G 7940G

Topic

Reference

Refer to Cisco Unified Communications Manager Security

Guide

• Refer to Cisco Unified Communications Manager

Security Guide

7960G, 7940G specifications