AudioCodes Mediant 4000 SBC, User Manual

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CHAPTER 41 SBC Configuration Wizard
Mediant 4000 SBC | User's Manual
● 'Base Port' Configure the first media port in the port range.
● 'Number Of Sessions': Configure the number of required media sessions. For more
information on media port ranges and number of sessions, see
Configuring RTP Base
UDP Port .
3. Under the SIP Interface group, configure SIP ports and transport type for communicating with
the IP PBX:
● 'Transport Type': Configure the SIP transport type.
● 'Destination Port': Configure the SIP port used by the IP PBX.
● 'Listening Port': Configure the SIP port used by the device when communicating with the
IP PBX.
4. Click Next ; the SIP Trunk page appears ( SIP Trunk Page ).
SIP Trunk Page
The SIP Trunk wizard page configures the SIP Trunk settings.
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:
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