TY  - BOOK
AU  - Wolf,Karl Heniz
AU  - Barnes,Richard
TI  - VoIP emergency calling: foundations and practice 
SN  - 9780470665947
PY  - 2011///
CY  - Chichester, West Sussex, U. K., Hoboken, N. J.
PB  - Wiley
KW  - Internet telephony
KW  - Telephone
KW  - Emergency reporting systems
N1  - Includes bibliographical references and index
ER  -