TY  - BOOK
AU  - Aslam, Kiran 
AU  - Dr. Arshad Aziz.
TI  - Performance Anaysis of IP PBX System For 1500-Lines
U1  - 621.3 
PY  - 2018///
CY  - Islamabad
PB  - PNEC - NUST
KW  - Electrical Engineering MS-Thesis
ER  -