Procedure
- Log in to the web management system. For details, see Logging In to the Web Management System.
- Configure the office route selection code.
Set the office route selection code to 1. Office route selection code 1 selects office routes based on load balancing.
- Configure the office route.
- Office route 0 is used for the PRA trunk, with office route selection code being 1.
- Office route 1 is used for the ISUP trunk, with office route selection code being 1.
- Configure the outgoing prefix.
Set the outgoing prefix to 0. The first digit 0 of the called number is deleted.
- Click Data Save in the upper right corner of the web management system.




