TY  - BOOK
AU  - Meggelen,Jim Van
AU  - Madsen,Jim
AU  - Smith,Jared
TI  - Asterisk: the future of telephony 
SN  - 0596510480 :
PY  - 2007///
CY  - Cambridge
PB  - O'Reilly
KW  - Asterisk (Computer file)
KW  - Internet telephony
ER  -