cara setting pabx sahitel pb 308

1. PABX Setting: Assign functions ( described in this manual ) of PABX, also allows programmed by extension 8001; 2. Charge Setting: Parameters that related with call fee, such as call rate, charge mode, etc; 3. Accessorial Setting: Assign some functions about PABX and computer, such as COM port parameters, etc; 4. cara unreg 99677 telkomsel