Miscellaneous Settings
Multicast Passthru. Multicasting allows for multiple transmissions to specific recipients at the same time. If multicasting is permitted, then the Voice Gateway will allow IP multicast packets to be forwarded to the appropriate computers. Select the types of multicast transmissions to allow: Disabled (none), Inbound Only, Outbound Only, or Inbound and Outbound. The default is Disabled.
System Reserved Ports Range
Starting Port. This port range defines the random TCP/UDP ports used by the application running on the Voice Gateway. They cannot be used by port forwarding or DMZ. Enter the starting port number of the reserved ports range. The default is 50000.
Num of Ports Reserved. Select the number of ports you want to reserve: 256, 512, or 1024. The default is 256.
When you have finished making changes, click the Submit All Changes button to save the changes, or click the Undo All Changes button to undo your changes.
Chapter 6: Using the
Voice Gateway with Router
31
The Router Tab
