Version 7.2 859 Mediant 500L Gateway & E-SBC
User's Manual 50. SBC Configuration Wizard
50.6 SIP Trunk Page
The SIP Trunk wizard page configures the SIP Trunk settings.
Figure 50-6: SBC Configuration Wizard - SIP Trunk Page
The following fields are read-only:
'Network Type': Displays the IP network interface for communicating with the SIP
Trunk.
'NAT Public IP': Displays the public IP address (of the Enterprise router) for
communicating with the SIP Trunk. The field is applicable only when the device is
connected to a router that performs NAT. Note that the Enterprise router must be
configured to "port forward" all VoIP traffic from the SIP Trunk (located on the WAN) to
the device. The exact port forwarding configuration is displayed on the Conclusion
page and consists of the device's address, SIP listening port (e.g. 5060) and a range
of media ports defined below (e.g. 6000-6999).
To configure SIP Trunk settings:
1. Under the SIP Trunk group, configure the following:
• 'Address': Configures the IP address or hostname of the SIP Trunk.
• 'Backup Address': (Optional) Configures the backup IP address or hostname of
the SIP Trunk.
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