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Cisco Systems 7940G, 7960G manual Disabling the phone’s ability to accept Gratuitous ARP will

Models: 7960G 7940G

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Chapter 4 Configuring Network Settings on the Cisco Unified IP Phone

Network Configuration Menu

Table 4-2

Network Configuration Menu Options (continued)

 

 

 

 

 

Option

 

Description

To Change

 

 

 

 

GARP Enabled

 

Indicates whether the phone learns MAC addresses from

From Cisco Unified Communications

 

 

Gratuitous Address Resolution Protocol (ARP) responses.

Manager, choose Device > Phone > Phone

 

 

Disabling the phone’s ability to accept Gratuitous ARP will

Configuration.

 

 

prevent applications that use this mechanism to monitor and

 

 

 

record voice streams from working. If voice monitoring is

 

 

 

not desired, set this option to No (disabled).

 

 

 

 

 

Voice VLAN

 

Indicates whether the phone allows a device attached to the

From Cisco Unified Communications

Enabled

 

PC port to access the Voice VLAN. Setting this option to No

Manager, choose Device > Phone > Phone

 

 

(disabled) prevents the attached PC from sending and

Configuration.

 

 

receiving data on the Voice VLAN. This setting also

 

 

 

prevents the PC from receiving data sent and received by the

 

 

 

phone. Set this setting to Yes (enabled) if an application that

 

 

 

requires monitoring of the phone’s traffic is running on the

 

 

 

PC. These applications include monitoring and recording

 

 

 

applications and network monitoring software.

 

 

 

 

Auto Line Select

Indicates whether the phone shifts the call focus to

From Cisco Unified Communications

Enabled

 

incoming calls on all lines. When this option is set to No

Manager, choose Device > Phone > Phone

 

 

(disabled), the phone will only shift the call focus to

Configuration.

 

 

incoming calls on the line that is in use. When this option is

 

 

 

set to Yes, the phone will shift the call focus to the line with

 

 

 

the most recent incoming call.

 

 

 

 

 

Video Capacity

 

Indicates whether the phone can participate in video calls

From Cisco Unified Communications

Enabled

 

when connected to an appropriately equipped PC.

Manager, choose Device > Phone > Phone

 

 

 

Configuration.

 

 

 

 

DSCP for Cisco

 

Differentiated Services Code Point (DSCP) IP classification

From Cisco Unified Communications

CallManager to

 

for call control signalling.

Manager, choose System > Enterprise

Device Interface

 

 

Parameters.

 

 

 

DSCP For Phone

DSCP IP classification for any phone configuration transfer.

From Cisco Unified Communications

Configuration

 

 

Manager, choose System > Enterprise

 

 

 

Parameters.

 

 

 

 

DSCP For

 

DSCP IP classification for phone-based services.

From Cisco Unified Communications

Phone-Based

 

 

Manager, choose System > Enterprise

Services

 

 

Parameters.

 

 

 

 

Security Mode

 

Displays the security mode that is set for the phone.

From Cisco Unified Communications

 

 

 

Manager, choose Device > Phone > Phone

 

 

 

Configuration.

 

 

 

 

Web Access

 

Indicates whether the phone’s internal web server is enabled

From Cisco Unified Communications

Enabled

 

(Yes) or disabled (No). When disabled, you cannot access a

Manager, choose Device > Phone > Phone

 

 

phone’s web pages.

Configuration.

 

 

 

 

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

 

OL-15498-01

4-9

 

 

 

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Cisco Systems 7940G, 7960G manual Disabling the phone’s ability to accept Gratuitous ARP will
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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.