Version 7.2 905 Mediant 800B Gateway & E-SBC
User's Manual 53. SBC Configuration Wizard
'NAT Public IP' address, configure the public IP address (of the Enterprise router)
used by the device to communicate with the ITSP (for the SIP Trunk application) or IP
PBX (for the Hosted IP-PBX application).
7. In the 'Primary DNS Server' (and optionally, 'Secondary DNS Server') field, configure
your primary (and optionally, secondary) DNS server in the network. This is mandatory
if you use a hostname (FQDN) for ITSP (WAN only) and IP PBX addresses.
8. From the 'OAM Interface' drop-down list, select the device's interface for management
traffic:
• LAN: Management traffic is carried over the regular LAN interface, as defined
above.
• WAN: Management traffic is carried over the WAN interface, as defined above.
• Additional: Configure a different interface for management traffic.
9. Click Next; the IP-PBX page appears (see IP-PBX Page on page 905).
53.5 IP-PBX Page
The IP-PBX wizard page configures the IP PBX settings.
Figure 53-5: SBC Configuration Wizard - IP-PBX Page
The following fields are read-only:
'Network Type': Displays the IP network interface for communicating with the IP PBX.
'NAT Public IP': Displays the public IP address (of the Enterprise router) for
communicating with the IP PBX. The field is applicable only when the device is
connected to a router that performs NAT.
To configure IP PBX settings:
1. Under the IP-PBX group, configure the following:
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