AASTRA 480i 사용자 설명서

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Basic Network Settings
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41-001129-00 Rev 09, Release 1.4.1  
IP Phone Administrator Guide
Configuring the IP Phones
Basic Network Settings
This section describes the basic network settings on the IP phone.
DHCP
The IP phone is capable of querying a DHCP server, allowing a network 
administrator a centralized and automated method of configuring various network 
parameters for the phone. If DHCP is enabled, the IP phone requests the following 
network information:
Subnet Mask
Gateway (i.e. router)
Domain Name Server (DNS)
Broadcast Address
Network Time Protocol Server
IP Address
TFTP Server Name
The network administrator chooses which of these parameters (if any) are 
supplied to the IP phone by the DHCP server. The administrator must configure 
the phone manually to provide any required network parameters not supplied by 
the DHCP server.
Note: 
For DHCP to automatically populate the IP address or domain 
name for the TFTP server, your DHCP server must support Option 66. 
Option 66 is responsible for forwarding the TFTP server IP address or 
domain name to the phone automatically. If your DHCP server does not 
support Option 66, you must manually enter the IP address or domain 
name for the TFTP server into your IP phone configuration.