IP

IP Phone

3

, IP . , voice VLAN, DHCP, TFTP . , IP Phone , , Bootup Startup process, .

Cisco IP Phone Cisco CallManager. Cisco IP , .

, , : Cisco CallManager, DHCP, TFTP, PoE (Power over Ethernet) Cisco IP Phone, .

 IP

, PoE. , , Ethernet , FLP (Fast Link Pulse), , .

FLP (loopback) , , , . , IP Phone PoE 802.3af 48 .

Cisco IP Phone , Flash-, . , Flash- , .

POST (Power-on self-test) , , CDP (Cisco Discovery Protocol), , voice VLAN .

, IP Phone 255.255.255.255 DHCPDISCOVER, DHCP DHCPOFFER, :

  • IP
  • (Default Gateway)
  • DNS (Domain Name System) . ()
  • TFTP (Trivial File Transfer Protocol) , .

TFTP DHCP , 150 (option 150). :

option 150 ip 'TFTP server IP address'

option 150 TFTP , , CallManager.

CallManager , .cnf.xml, , CallManager. , , TFTP , .bin.

TFTP, , TCP CallManager. Cisco IP Phone .

, IP Phone , , , , .


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