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Type: Driver
File Name: cisco_9951_27297.zip
File Size: 20.6 MB
39 (3.37)
Downloads: 27
Supported systems: Windows 7/8/10, Windows XP 64-bit, Mac OS X 10.X
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Cisco 9951 IP Phone Conferences are established by using only the SDP capabilities that are supported by all endpoints in the conference. TCP is a connection-oriented transport protocol. TLS is a standard protocol for securing and authenticating communications. Some SIP endpoints may allow these parameters to be configured on the endpoint itself.

Like other VoIP protocols, SIP is designed to address the functions of signaling and session management within a packet telephony network. Signaling allows call information to be carried across network boundaries.

Cisco Cp-9951-c-k9 Unified IP Phone Cp9951 With Camera

Session management provides the ability to control the attributes of an end-to-end call. UDP is a connectionless messaging protocol for delivery of data packets.

Cisco Unified IP Phones function much like a digital business phone, allowing you to place and receive phone calls. In addition to traditional telephony features, the Cisco Unified IP Phone includes Cisco 9951 IP Phone that enable you to administer and monitor the phone as a network device. This section includes the following topics: Cisco Unified IP phones also provide a variety of other features.

Cisco Unified IP Phones can interact with other services and devices on your IP network to provide enhanced functionality. You can also use XML to enable users to access information such as weather, stocks, quote of the day, and other web-based information. For information about configuring such services, see the Configuring Corporate and Personal Directories section on page and the Setting Up Services section on page Finally, because the Cisco Unified IP Phone is a network device, you can obtain detailed status information from it directly. This information can assist you with troubleshooting any problems users might Cisco 9951 IP Phone when using their Cisco 9951 IP Phone phones. Use this web-based application to set up phone registration criteria and calling search spaces, to configure corporate directories and services, and to modify phone button templates, among other tasks.

You can also use the context-sensitive help available within the application for guidance. You can access Cisco Unified Communications Manager documentation at this location: You can also obtain statistics about a current call or firmware versions on the phone. Providing Users with Feature Information If you are a system administrator, you are likely the primary source of information for Cisco Unified IP Phone users in your network or company.

To ensure that you distribute the most current feature and procedural information, familiarize yourself with Cisco Unified IP Phone documentation. From this site, you can view various user guides. In addition to providing documentation, it is important to inform users of available Cisco Unified IP Phone features, including those specific to your company or network, and of how to access and customize those features, if appropriate. For a summary of some of the key information that phone users need their system administrators to provide, see Appendix A, Providing Information to Users Via a Website.

Understanding Security Features for Cisco Unified IP Phones Implementing security in the Cisco Unified Communications Manager system prevents identity theft of the phone and Cisco Unified Communications Manager server, prevents data tampering, and prevents call signaling and media Cisco 9951 IP Phone tampering.

Cisco Unified IP Phone Standard - VoIP phone - SIP - multiline - charcoal grey -

To alleviate these threats, the Cisco IP telephony network establishes and maintains secure encrypted communication streams between a phone and the server, digitally signs files before they are transferred to a phone, and encrypts media streams and call signaling between Cisco Unified IP phones. The Cisco Unified IP Phone, and use the Phone security profile, which defines whether the device is nonsecure Cisco 9951 IP Phone secure. For information on applying the security profile to the phone, refer to the Cisco Unified Communications Manager Security Guide.


If you configure security-related settings in Cisco Unified Communications Manager Administration, the phone configuration file will contain Cisco 9951 IP Phone information. To ensure the privacy of a configuration file, you must configure it for encryption. Table shows where you can find information about security in this and other documents. For more information, see the Security Setup Menu section on page Table Overview of Security Features Feature Image authentication Image Encryption Customer-site certificate installation Device authentication File authentication File encryption Signaling Authentication Manufacturing installed certificate Media encryption Description Signed binary files with the extension.

The Cisco Unified IP Phone delivers high-quality, interactive, multimedia communications in an elegant design that is both user- and eco-friendly. Unified IP Phone Access product specifications, Cisco 9951 IP Phone, downloads, Visio stencils, product images, and community e Date‎: ‎NOV

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