Cisco 7931G Manual
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Cisco 7931G Manual

Cisco 7931G Manual

Unified ip phone
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Cisco Unified IP Phone 7931G
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Phone Overview

The Cisco Unified IP Phone 7931G is a full-featured telephone that provides communication over a VoIP
network. Designed for users who are familiar with traditional key sets, these phones function much like digital
business phones, by allowing users to place and receive phone calls and to access features such as mute, hold,
transfer, speed dial, and call forward.
In addition, because Cisco Unified IP Phones are connected to your data network, they offer enhanced IP
telephony features, including access to network information and services, and customized features and services.
The phones also support security features that include file and device authentication, signaling encryption,
and media encryption.
The Cisco Unified IP Phone 7931G provides a pixel-based backlit display, 24 configurable line buttons, and
various other functions to meet the communications needs of business with moderate telephone traffic and
specific call requirements. Dedicated hold, redial, and transfer keys facilitate call handling. Illuminated mute
and speakerphone keys give a clear indication of speaker status.
The Cisco Unified IP Phone, like other network devices, must be configured and managed. These phones
encode G.711a, G.711u, G.722, G.729a, G.729ab, iLBC, and decode G.711a, G.711u, G.722, and iLBC.
These phones also support uncompressed wideband (16 bits, 16 kHz) audio.
Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)
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Summary of Contents for Cisco 7931G

  • Page 1: Table Of Contents

    Cisco Unified IP Phone Deployment, page 23 Phone Overview The Cisco Unified IP Phone 7931G is a full-featured telephone that provides communication over a VoIP network. Designed for users who are familiar with traditional key sets, these phones function much like digital business phones, by allowing users to place and receive phone calls and to access features such as mute, hold, transfer, speed dial, and call forward.

  • Page 2: Buttons And Hardware

    Cisco Unified IP Phone 7931G Buttons and Hardware Using a cell, mobile, or GSM phone, or two-way radio in close proximity to the Cisco Unified IP Phone Caution may cause interference. For more information, refer to the manufacturer's documentation of the interfering device.
  • Page 3 Paper label Allows you to identify each button with line or feature information. Softkey buttons Each activates a softkey option (displayed on your phone screen). Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)
  • Page 4 Displays information such as line or call status, phone number, and softkey. Cisco Unified IP Phone model Shows the Cisco Unified IP Phone model number. Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)

  • Page 5: Phone Menus And Local Features

    Phone Button Templates. By default, when a phone is starting up and before it registers with Cisco Unified Communications Manager, the last softkey on the right becomes the Settings softkey. By pressing this key, you can access the phone configuration menus. In this way, you can make configuration changes if needed to allow the phone to complete its startup and registration process successfully, and you can obtain information for troubleshooting.

  • Page 6: Feature Overview

    (SCCP) support IPv6. Cisco Unified IP Phones with SIP do not support IPv6. Cisco Unified IP Phones do not support URLs with IPv6 addresses in the URL. This affects all IP Phone Service URLs, such as services, directories, messages, help, and any restricted web services that require the phone to use the HTTP protocol to validate credentials with the Authentication URL.

  • Page 7: Telephony Feature Administration

    Information for End Users 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, you can familiarize yourself with Cisco Unified IP Phone documentation.

  • Page 8: Network Protocols

    Table 1: Supported Network Protocols on the Cisco Unified IP Phone, on page 8 provides an overview of the network protocols that the Cisco Unified IP Phone 7931G supports. Table 1: Supported Network Protocols on the Cisco Unified IP Phone...
  • Page 9 (EAPOL) traffic through the port to on page 20 which the client is connected. After authentication is successful, normal traffic can pass through the port. Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)
  • Page 10 RTP protocol to send and receive interactive voice and video, over data real-time voice traffic from other phones networks. and gateways. Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)
  • Page 11 TCP is a connection-oriented transport The Cisco Unified IP Phone uses TCP Protocol (TCP) protocol. to connect to Cisco Unified Communications Manager and to access XML services. Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)

  • Page 12: Cisco Unified Ip Phone Security Features

    Cisco Unified Communications Manager server, prevents data tampering, and prevents call signaling and media stream tampering. To alleviate these threats, the Cisco IP telephony network establishes and maintains authenticated and 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.
  • Page 13 Cisco Unified IP Phone Reset or Restore. Resetting or restoring the phone Cisco Unified IP Phone Reset or Restore. Cisco Extension Mobility HTTPS support Network Protocols, on page Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)

  • Page 14: Supported Security Features

    Cisco Unified IP Phone Security Problems Supported Security Features The following table provides an overview of the security features that the Cisco Unified IP Phone 7931G supports. For more information about these features and about Cisco Unified Communications Manager and Cisco Unified IP Phone security, see the Cisco Unified Communications Manager Security Guide.
  • Page 15 Optional disabling of the web server You can prevent access to a phone’s web page, which displays a variety of operational statistics functionality for a phone for the phone. Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)

  • Page 16: Security Profiles

    Security Restrictions, on page 23 Security Profiles Cisco Unified IP Phones that support Cisco Unified Communications Manager 7.0 and later use a security profile, which defines whether the phone is nonsecure, authenticated, or encrypted. For information about configuring the security profile and applying the profile to the phone, see the Cisco Unified Communications Manager Security Guide.

  • Page 17: Related Topics

    In an authenticated call, all devices participating in the establishment of the call are trusted devices and authenticated by the Cisco Unified Communications Manager. When a call is setting up, the call is authenticated, the call progress icon to the right of the call duration timer in the phone screen changes to this icon: .

  • Page 18: Protected Call Identification

    A protected call is established when a user phone and the phone on the other end are configured for protected calling. The other phone can be in the same Cisco IP network, or on a network outside the IP network. Protected calls can only be made between two phones.
  • Page 19 Secure or encrypted Conference remains secure or authenticated) When one participant tries to Hold the call with Music on Hold (MOH), the MOH does not play. Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)

  • Page 20: 802.1X Authentication

    LAN switch to authenticate a data endpoint before accessing the network. Cisco Unified IP Phones also provide a proxy EAPOL Logoff mechanism. In the event that the locally attached PC disconnects from the IP phone, the LAN switch does not see the physical link fail, because the link between the LAN switch and the IP phone is maintained.

  • Page 21: Required Network Components

    Required Network Components Support for 802.1X authentication on Cisco Unified IP Phones requires several components, including: • Cisco Unified IP Phone: The phone acts as the 802.1X supplicant, which initiates the request to access the network. • Cisco Secure Access Control Server (ACS) (or other third-party authentication server): The authentication server and the phone must both be configured with a shared secret that authenticates the phone.
  • Page 22 • 80-bit SRTCP Tagging: The phone handles both 32-bit and 80-bit SRTCP packet headers seamlessly. As an IP Phone administrator, some of these functions require you to set up specific parameters in the Cisco Unified Communications Manager administration interface.

  • Page 23: Phone Power Consumption

    Cisco Unified Communications Manager, you can add the Cisco Unified IP Phone to the system. The following topics provide an overview of procedures for adding Cisco Unified IP Phones to your network. Cisco Unified IP Phone Setup in Cisco Unified Communications Manager To add phones to the Cisco Unified Communications Manager database, you can use: •...
  • Page 24 Set Up Cisco Unified IP Phone 7931G in Cisco Unified Communications Manager The following steps provide an overview and checklist of configuration tasks for the Cisco Unified IP Phone 7931G in Cisco Unified Communications Manager Administration. The steps present a suggested order to guide you through the phone configuration process.
  • Page 25 Configuration” chapter and Services Setup. Step 8 Assign services to phone buttons (optional). Provides single button access to an IP phone service or URL. Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)

  • Page 26: Cisco Unified Ip Phone Installation

    Cisco Unified Communications Manager User Addition. If your company uses a Lightweight Directory Access Protocol (LDAP) directory to store information on users, you can install and configure Cisco Unified Communications to use your existing LDAP directory, see Corporate and Personal Directory Setup.
  • Page 27 The following steps provide an overview and checklist of installation tasks for the Cisco Unified IP Phone 7931G. The steps present a suggested order to guide you through the phone installation. Some tasks are optional, depending on your system and user needs. For detailed procedures and information, refer to the sources in the steps.
  • Page 28 Cisco Unified IP Phone 7931G Cisco Unified IP Phone Installation The Cisco Unified IP Phone supports having both IPv4 and an IPv6 address concurrently. You can configure Cisco Unified Communications Manager to support IPv4 addresses only, IPv6 addresses only, or support both IPv4/IPv6 addresses.
  • Page 29 Cisco Unified IP Phone 7931G Cisco Unified IP Phone Installation Cisco Unified IP Phone Security Internal Support Web Site Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)
  • Page 30 Cisco Unified IP Phone 7931G Cisco Unified IP Phone Installation Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)

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