This port range is used by the SBC to advertise its TCP port on which it can accept connections. A unique unused port from this range will be included in the SDP media line in the offer or answer towards the MSRP UAs. SBC will use a port from this range per MSRP call leg if it takes up a TCP server role.
To create a TCP port range, use the baseServerPort and maxServerPort to specify the minimum and maximum values as described below.
On SBC main screen, go to All > System > Media > Tcp Port Range. The Tcp Port Range window is displayed.
System - Media - Tcp Port Range
The following fields are displayed:
Tcp Port Range parameters
| Parameter | Description |
|---|---|
Base Server Port | Specifies the base port number for TCP Media Server. The value ranges from 1 to 65534 and the default value is 1024. |
Max Server Port | Specifies the maximum number of ports for the TCP Media Server. The value ranges from 1 to 65534 and the default value is 65534. |
Make the required changes and click Save at the right hand bottom of the panel to save the changes made.
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