Cisco Unified IP Phone and Telephony Networks
• Dial Plan - <dialplan>.xml
The filenames derive from the MAC address and description fields in the Phone Configuration window of
Cisco Unified Communications Manager. The MAC address uniquely identifies the phone.
For more information on phone configuration settings, see the "Cisco Unified IP Phone Configuration" chapter
in the Cisco Communications Manager Administration Guide.
Phone Startup Process
When connecting to the VoIP network, the Cisco Unified IP Phone 6901 and 6911 go through a standard
startup process that is described in the following list. Depending on your specific network configuration, not
all these steps may occur on your Cisco Unified IP Phone.
1 Obtain power from the switch. If a phone does not use external power, the switch provides in-line power
through the Ethernet cable attached to the phone. For more information, see
Manager Phone Addition Methods, on page 8
2 Configure VLAN. If the Cisco Unified IP Phone connects to a Cisco Catalyst switch, the switch informs
the phone of the voice VLAN defined on the switch. The phone needs to know the VLAN membership
before proceeding with the Dynamic Host Configuration Protocol (DHCP) request for an IP address.
For more information, see
3 Obtain an IP address. If the Cisco Unified IP Phone uses DHCP to obtain an IP address, the phone queries
the DHCP server to obtainthe address. If you are not using DHCP in your network, you must assign static
IP addresses to each phone locally.
For more information, see
4 Access a TFTP server. 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.
You can also assign an alternative TFTP server to use instead of the one assigned by DHCP.
Note
For more information, see
5 Request the configuration file. The TFTP server stores configuration files that define parameters for
connecting to Cisco Unified Communications Manager and other information for the phone.
For more information, see
8
6 Load the stored phone image. The Cisco Unified IP Phone has nonvolatile flash memory to store firmware
images and user-defined preferences. At startup, the phone runs a bootstrap loader that loads a phone
image stored in flash memory. Using this image, the phone initializes the software and hardware.
For more information, see
7 Contact Cisco Unified Communications Manager. The configuration file defines how the Cisco
Unified IP Phone communicates with Cisco Unified Communications Manager and provides a phone with
the load ID. After obtaining the file from the TFTP server, the phone attempts to make a connection to
the highest priority Cisco Unified Communications Manager on the list.
Cisco Unified IP Phone Network Settings Setup
Cisco Unified IP Phone Network Settings Setup
Cisco Unified IP Phone Network Settings Setup
Cisco Unified Communications Manager Phone Addition Methods, on page
and
Startup
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Startup
Cisco Unified IP Phone 6901 and 6911 Administration Guide for Cisco Unified Communications Manager 10.0 (SCCP
and
Startup
Problems.
Problems.
Phone Startup Process
Cisco Unified Communications
and
Startup
Problems.
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Startup
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and SIP)
7
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