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Configuring VoIP Settings
4-50 41-001190-01 Rel. 1.1, Rev. 00
AastraLink Pro 160 Administrator Guide
On the VoIP Menu screen, clicking on a dial prefix in the “Dial Prefix” column
displays the following SIP trunk configuration screen:
The parameters you can specify for SIP Trunking are:
•Local
Local enables/disables SIP trunking to use the local subnet address for the SIP
signalling rather than the external (UPnP / external gateway) address. It is
only necessary to set this value if the SIP registrar / outbound proxy is
multi-homed on both the private and the public network.
Registrar Server
Supplied by your service provider. Specifies the IP address of the remote
endpoint (service providers registrar server) that connects the AastraLink Pro
160 to your service provider SIP network.