Aastra Telecom 480I User Manual

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Administrator Level Options
41-001129-00 Rev 09, Release 1.4.1
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Administrator Options
Administrator Options
Primary DNS
Primary Domain Name Service. A service that translates domain names into 
IP addresses. To assign static DNS addresses, disable DHCP. 
Secondary DNS
Secondary Domain Name Service. A service that translates domain names 
into IP addresses. To assign static DNS addresses, disable DHCP.
Advanced Network Settings
NAT IP
Network Address Translator settings are used to map your firewall to an 
external NAT device. This is the IP address of the external network device 
that enforces NAT. Default is 0.0.0.0.
NAT Port
Hard-coded port number of the external network device that enforces NAT. 
Default is 0.
Nortel NAT Traversal Enabled
Enables or disables the phone to operate while connected to a network device 
that enforces NAT. Valid values are 0 (No) or 1 (Yes). Default is 0 (No).
Nortel NAT Timer (seconds)
The interval, in seconds, that the phone sends SIP ping requests to the Nortel 
proxy. Default is 30.
NTP Time Servers
Enables or disables the time server. This parameter affects time server1, time 
server2, and time server3. Valid values are 0 (enable) and 1 (disable). Default 
is 1 (disable).
Time Server 1, 2, and 3
The primary, secondary, and tertiary time server's IP address or qualified 
domain name. If the "NTP Time Server" parameter is enabled, and the 
primary and secondary time servers are not configured or cannot be accessed, 
the value for Time Server 3 is used to request the time.
Note: 
If a host name is configured on the IP phone, you must also set a 
DNS.