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Cisco 7941G Administration Manual

For cisco unified communications manager 9.0 (sccp and sip)
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Cisco Unified IP Phones and Your Network

Phone and Network Overview

Cisco Unified IP Phones enable you to communicate by using voice over a data network. To provide this
capability, the Cisco Unified IP Phones depend upon and interact with several other key Cisco Unified IP
Telephony components, including Cisco Unified Communications Manager.
This chapter focuses on the interactions between the Cisco Unified IP Phones and Cisco Unified
Communications Manager, DNS, DHCP, and TFTP servers, and switches. It also describes options for
powering phones.
For related information about voice and IP communications, see:
http://www.cisco.com/en/US/partner/products/sw/voicesw/index.htmlhttp://www.cisco.com/en/US/products/
sw/voicesw/index.html
This chapter provides an overview of the interaction between the Cisco Unified IP Phones and other key
components of the Voice over IP (VoIP) network.

Cisco Unified Communications Product Interactions

To function in the IP telephony network, the Cisco Unified IP Phone must connect to a networking device,
such as a Cisco Catalyst switch. You must also register the Cisco Unified IP Phones with a Cisco
Unified Communications Manager system before sending and receiving calls.
Cisco Unified IP Phone 7941G, 7941G-GE, 7942G, 7961G, 7961G-GE, and 7962G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
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  Summary of Contents for Cisco 7941G

  • Page 1: Table Of Contents

    Cisco Unified IP Phone MAC Address Determination, page 12 Phone and Network Overview Cisco Unified IP Phones enable you to communicate by using voice over a data network. To provide this capability, the Cisco Unified IP Phones depend upon and interact with several other key Cisco Unified IP Telephony components, including Cisco Unified Communications Manager.
  • Page 2: Cisco Unified Ip Phones And Vlan Interaction

    Cisco Unified Communications Manager Administration Guide, Cisco Unified Communications Manager System Guide, and Cisco Unified Communications Manager Security Guide. If the Cisco Unified IP Phone model that you want to configure does not appear in the Phone Type Note...
  • Page 3: Cisco Unified Ip Phone Power

    VLANs for carrying: • Voice traffic to and from the phone (auxiliary VLAN on the Cisco Catalyst 6000 series, for example) • Data traffic to and from the PC connected to the switch through the access port of the phone (native...
  • Page 4: Power Outage

    • Other requirements and restrictions regarding power Document Topics Cisco Unified IP Phones Power http://www.cisco.com/en/US/products/ps6951/index.html Injector PoE Solutions http://www.cisco.com/en/US/netsol/ns340/ns394/ns147/ns412/index.html Cisco Unified IP Phone 7941G, 7941G-GE, 7942G, 7961G, 7961G-GE, and 7962G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)
  • Page 5: Phone Configuration Files

    Trust List file that contains a certificate assigned to Cisco Unified Communications Manager and TFTP. If autoregistration is not enabled and you did not add the phone to the Cisco Unified Communications Manager database, the phone system rejects the phone registration request with Cisco Unified Communications Manager.
  • Page 6: Phone Startup Process

    Obtain an IP address If the Cisco Unified IP Phone is using DHCP to obtain an IP address, the phone queries the DHCP server to obtain one. If your network does not use DHCP, you must assign static IP addresses to each phone locally.
  • Page 7 Phone Startup Process In addition to assigning an IP address, the DHCP server directs the Cisco Unified IP Phone to a TFTP Server. If the phone has a statically defined IP address, you must configure the TFTP server locally on the phone; the phone then contacts the TFTP server directly.
  • Page 8: Cisco Unified Communications Manager Phone Addition Methods

    Cisco Unified Communications Manager Phone Addition Methods Before installing the Cisco Unified IP Phones, you must choose a method for adding phones to the Cisco Unified Communications Manager database. The following table provides an overview of these methods for adding phones to the Cisco Unified Communications Manager database.
  • Page 9: Autoregistration And Taps Phone Addition

    Note Cisco recommends that you use autoregistration to add fewer than 100 phones to your network. To add more than 100 phones to your network, use the Bulk Administration Tool (BAT). Autoregistration is disabled by default. In some cases, you might not want to use autoregistration; for example, if you want to assign a specific directory number to the phone.
  • Page 10: Cisco Unified Communications Manager Administration Phone Addition

    Click Save. Step 6 From Cisco Unified Communications Manager, choose Device > Phone > Add New to add a phone using an already created BAT phone template. For more information on BAT, see Cisco Unified Communications Manager Bulk Administration Guide. For more information on creating BAT Phone Templates, see Cisco Unified Communications Manager Bulk Administration Guide, “Phone Template”...
  • Page 11: Cisco Unified Ip Phones And Different Protocols

    Network Settings In-Use Phone Protocol to Protocol Conversion For information on how to convert an in-use phone from one protocol to the other, see the Cisco Unified Communications Manager Administration Guide, “Cisco Unified IP Phone Configuration” chapter, “Migrate existing phone settings to another phone” section.
  • Page 12: Cisco Unified Ip Phone Mac Address Determination

    Autoregister the SIP phones. Cisco Unified IP Phone MAC Address Determination Several procedures described in this manual require you to determine the MAC address of a Cisco Unified IP Phone. You can determine a phone MAC address in these ways: •...

This manual is also suitable for:

7961g7962g7961g-ge7941g-ge7942g