TY  - BOOK
AU  - Abrahams,John R.
AU  - Lollo,Mauro
ED  - ebrary, Inc.
TI  - Centrex or PBX: the impact of IP 
T2  - Artech House telecommunications library
AV  - TK5105.8865 .A27 2003eb
U1  - 621.382/12 21
PY  - 2003///
CY  - Boston
PB  - Artech House
KW  - Internet telephony
KW  - Centrex telephone service
KW  - Electronic books
KW  - local
N1  - Includes bibliographical references and index; Electronic reproduction; Palo Alto, Calif.; ebrary; 2009; Available via World Wide Web; Access may be limited to ebrary affiliated libraries
UR  - http://ezproxy.taylors.edu.my/login?url=http://site.ebrary.com/lib/taylorscollege/Doc?id=10081917
ER  -