TY  - BOOK
AU  - Dang,Luan
AU  - Jennings,Cullen
AU  - Kelly,David
TI  - Practical VoIP using VOCAL
SN  - 9780596000783 (pbk.)
AV  - TK5105.8865 .D36 2002
U1  - 621.382 21
PY  - 2002///
CY  - Beijing
PB  - O'Reilly
KW  - Internet telephony
N1  - Includes index
UR  - http://www.loc.gov/catdir/enhancements/fy0715/2002023323-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0912/2002023323-b.html
UR  - http://www.loc.gov/catdir/enhancements/fy1009/2002023323-t.html
ER  -