Cisco Systems 7902G Manual De Usuario
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Cisco IP Phone Administration Guide for Cisco CallManager 3.3, Cisco IP Phones 7902G/7905G/7912G
OL-6313-01
Chapter 2 Preparing to Install the Cisco IP Phone on Your Network
Understanding the Phone Startup Process
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Loading the Stored Phone Image
The Cisco IP Phone has non-volatile Flash memory in which it stores 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 its software and hardware.
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 its software and hardware.
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Configuring VLAN
If the Cisco IP Phone is connected to a Cisco Catalyst switch, the switch next
informs the phone of the voice VLAN defined on the switch. The phone needs to
know its VLAN membership before it can proceed with the Dynamic Host
Configuration Protocol (DHCP) request for an IP address.
informs the phone of the voice VLAN defined on the switch. The phone needs to
know its VLAN membership before it can proceed with the Dynamic Host
Configuration Protocol (DHCP) request for an IP address.
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Obtaining an IP Address
If the Cisco IP Phone is using DHCP to obtain an IP address, the phone queries
the DHCP server to obtain one. If you are not using DHCP in your network, you
must assign static IP addresses to each phone locally.
the DHCP server to obtain one. If you are not using DHCP in your network, you
must assign static IP addresses to each phone locally.