TY  - BOOK
AU  - Johnston, Alan B.
TI  - SIP: understanding the Session Initiation Protocol
SN  - 9781608078639
U1  - 004.62 
PY  - 2016///
CY  - Boston
PB  - Artech House
KW  - Computer network protocols
KW  - Multimedia systems -- Computer programs
KW  - Instant messaging -- Computer programs
KW  - Session Initiation Protocol (Computer network protocol)
ER  -