Which one of the following could a company implement to help reduce PBX fraud?
A.
Call vectoring
B.
Direct Inward System Access (DISA)
C.
Teleconferencing bridges
D.
Remote maintenance ports
Explanation:
The potential for fraud to occur in voice telecommunications equipment is a serious
threat. PBX’s (Private Branch Exchange) are telephone switches used within state agencies to
allow employees to make out-going and receive in- coming phone calls. These PBX’s can also
provide connections for communications between personal computers and local and wide area
networks. Security measures must be taken to avoid the possibility of theft of either phone service
or information through the telephone systems.Direct Inward System Access (DISA) is the ability to call into a PBX, either on an 800 number or a
local dial-in, and by using an authorization code, gain access to the long distance lines and place
long distance calls through the PBX
http://www.all.net/books/Texas/chap10.html