Aastra Telecom AastraLink Pro 160 - Manual (Page 190)

Configuring VoIP Settings
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AastraLink Pro 160 Administrator Guide
• Realm
Only required if supplied by your service provider. Specifies the
Authentication domain within the destination network, where SIP call
steering to a specific media gateway is required.
• Authentication Username
Only required if supplied by your service provider. Used to authenticate with
the service provider if you are using a different account name then your
username.
• Authentication Password
Supplied by your service provider. Used to authenticate your access to the
service provider network. For example: 15000.
• Outbound Proxy
Only required if your local network does not transparently route SIP calls to
the public SIP service provider. Used to route outgoing calls through this
device rather than direct to the registrar server.
• Outbound Proxy Port
Only required if using an Outbound Proxy. Specifies the proxy port on the
Outbound Proxy.
Adding a SIP Trunk
Use the following procedure to add a SIP Trunk to the AastraLink Pro 160.
AastraLink Web UI
Step Action
1 Select Configuration->VoIP->SIP Trunking
2 In the “Use Local Network Address” field, place a checkmark in the box to enable 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. Disable this field by unchecking the box. Default is disabled.