Centrex or PBX: The Impact of IP

RecordNumber
5797
Author
John R. Abrahams
Title
Centrex or PBX: The Impact of IP
Publication
Artech House
Publication Year
2003
Collation
161
ISBN
158053497X
Link To Document :
http://dl.iust.ac.ir/dL/search/default.aspx?Term=5797&Field=0&DTC=11

John R. Abrahams