TY  - BOOK
AU  - Swale,Richard
TI  - Voice over IP: systems and solutions 
SN  - 0852960247
U1  - 621.385 VOI 
PY  - 2001///
CY  - London
PB  - Institution of Electrical Engineers
KW  - Internet telephony
N1  - Includes bibliographical references and index
UR  - http://www.loc.gov/catdir/enhancements/fy0631/2005472887-d.html
ER  -