What does CDR stand for within the context of GTPP billing?
A.
connection duration record
B.
call detail record
C.
connection detail record
D.
call duration record
What does CDR stand for within the context of GTPP billing?
What does CDR stand for within the context of GTPP billing?
A.
connection duration record
B.
call detail record
C.
connection detail record
D.
call duration record