TY  - BOOK
AU  - Meggelen,Jim Van
AU  - Bryant,Russell
AU  - Madsen,Leif
TI  - Asterisk the definitive guide: open source telephony for the enterprise
SN  - 9789352138616
U1  - 004.67 MEG 
PY  - 2019///
CY  - Mumbai
PB  - Shroff Publishers & Distributors pvt.ltd
KW  - Asterisk
KW  - Telecommunication systems
KW  - Voice over IP
ER  -