CHAPTER48 SBC Configuration Wizard
Mediant 1000 Gateway & E-SBC | User's Manual
● 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).
IP-PBX Page
The IP-PBX wizard page configures the IP PBX settings.
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:
● 'Address': Configure the IP address (or hostname) of the IP PBX. Note that for the One
port: WAN network topology, when the device is assigned a public IP address, you must
use the public IP address (of the Enterprise router) instead of the private address of the IP
PBX, and configure the Enterprise router to forward VoIP traffic from the device to the IP
PBX.
● 'Backup Address': (Optional) Configure the backup IP address (or hostname) of the IP
PBX.
● 'SIP Domain': Configure the SIP domain name used for communication with the IP PBX.
The domain name is used in the following SIP message headers:
◆ Outbound calls: Request-URI and To headers
◆ Inbound calls: From header
● 'Keep Alive': Enable the periodic keep-alive check for multiple IP PBX addresses.
2. Under the Media Ports (Realm) group, configure the media protocol type and ports used by the
device for communicating with the IP PBX:
● 'Media Protocol': Configure the media protocol type (RTP or SRTP).
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