3-28 Features
[Example of Inband Integration]
PBX
Outside Caller
(listening to A.A.)
PBX
Outside Caller
(on hold)
PBX
Outside Caller
(on hold)
VPS
VPS
VPS
Outside Caller
dials Extn. 101
PBX sends
Ringback Code “1”
VPS flashes, dials
Extn. 101
Extn. 101
Panasonic
DIGITAL
(ringing)
PBX
Outside Caller
(on hold)
VPS
PBX sends
Answer Code “5”
Extn. 101
Panasonic
DIGITAL
(answers)
PBX
Outside Caller
(talking to Extn. 101)
VPS
VPS tells Extn. 101
“You have a call”
and disconnects
Extn. 101
Panasonic
DIGITAL
(talking to Outside
Caller)
I
3
Features and Services