This setting allows you to place a limit on the number of concurrent calls that can be made over this interface. One advantage of this is that you can always leave a line free for other devices.
- SNMP ID:
 - 2.23.1.13
 - Console path:
 - Setup > Interfaces > S0
 - Possible values:
 - None
 - One
 - Two
 
- Default:
 - Two