V2 GSM
User Manual
Page: 5 Pyronix Ltd
C H A P T E R 3 :
H O W T H E V 2 G S M W O R K S
3 . 1 T H E V 2 G S M P R O C E S S
Below shows a flowchart that is a representation of how the V2 GSM operates, when an
alarm activation occurs.
Alarm
Activation
V2 GSM
Dials Number
V2 GSM Sends
SMS to
Number
User
Answers?
Message
Played. Enter
Ack. Code
Press 99 To
Enter Remote
Menu
V2 GSM
Redials the
telephone
numbers
The next
number is
dialled
SMS received
by user
BEEP
Listen / Talk /
Control
Outputs
Enter User
Code
YES
NO
UNANSWERED
ANSWERED
Press '0' to
hang up (ends
the call)