TY  - BOOK
AU  - Sadiq Ahmed KHan, Syed Manzar Ali, Saif-ur- Rehman Khan & Hera Batool Musvi
TI  - VoIP Gateway Connectivity Through PSTN
PY  - 2005///
CY  - Karachi
PB  - UIT
KW  - Telecommunication Engineering
KW  - Bachelor of Engineering (BE)
ER  -