4.2. Change Password
...................................................................................................... 35
4.3. Restore factory settings
.......................................................................................... 35
5. Dialing Rules
................................................................. 36
5.1. Basic rules of grammar
........................................................................................... 36
5.2. With a limited number of digit dialing rules
....................................................... 37
6. Understand More
......................................................... 38
6.1. Gateway Initialization
............................................................................................. 38
6.2. Advanced Configuration
.......................................................................................... 38
6.3. Notes
.......................................................................................................................... 38