Design of a PC based PABX with voice mail /
NC Syed Faisal Ali , NC Babar Shahbaz Ahmed , NC Syed Mohsin Ali, NC Gohar Tasneem Sheikh and GC Shehzad bin Iqbal .
- Rawalpindi MCS (NUST) 1999
- 95 p.;
Introduction (Page-1), Basic Implementation of the circuit (Page-2), Voice mail (Page-3), Introduction to interface circuit (Page- ), DTMF receiver (Page-6), Analog switch array (Page-7), Working of an exchange (Page-8).