User manual
http://www.DBL.com     FXS+FXO Gateway Series 
45 
4. Tools....................................................................................................................................41 
4.1. Online Upgrade................................................................................................................41 
4.2. Change Password.............................................................................................................42 
4.3. Restore factory settings....................................................................................................42 
4.4. Reboot the system ............................................................................................................42 
5. Dialing Rules......................................................................................................................43 
5.1. Basic rules of grammar ....................................................................................................43 
5.2. With a limited number of digit dialing rules ....................................................................44 
6. Understand More........................................................... 44 
6.1. Gateway Initialization......................................................................................................44 
6.2. Advanced Configuration ..................................................................................................45 
6.3. Notes ................................................................................................................................45 










