Aastra Telecom 57I C53I manual Advanced Network Settings

Administrator Options

Administrator Level 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.

Note: If a host name is configured on the IP phone, you must also set a DNS.

•Ethernet Port 0

Sets the negotiation method on Ethernet Port 0. Default is Auto-negotiation.

•Ethernet Port 1

Sets the negotiation method on Ethernet Port 1. Default is Auto-negotiation.

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 SIP Port

Hard-coded port number of the external network device that enforces NAT SIP. Default is 51620.

•NAT RTP Port

Hard-coded port number of the external network device that enforces NAT RTP. Default is 51720.

•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.

Administrator Options

41-001160-00, Rev 01 Release 2.0 3-13