AGM - Installation and Programming Instructions 23
13. Appendix: Telephone Number Conversion in Line Simulation Mode
When the AGM operates in telephone line simulation mode, the telephone numbers dialed
from the alarm control panel need to be adjusted according to the following conversion
mythology. A description of the methodology is detailed below. For better understanding the
procedure, use the example below.
Conversion Methodology
1.If the dialed number begins with an outgoing line number (when the module is connected
to the PBX and not directly to the PSTN line), the outgoing line number will be deleted.
(defined in SMS commands
PBX1…PBX2)
Go to step 2
2.If the dialed number begins with a prefix, (Constant prefix – SMS commands
PCS1 ..
PCS6
) recognized by the AGM, the module will not change the number.
Go to step 5 else go to step 3
3.If the dialed number begins with a prefix that needs to be removed , the module will delete
the Prefix number (SMS command
PRMV).
Go to step 5 else go to step 4
4.If the dialed number has no prefixes known to the AGM, the module will add a Prefix
(Prefix to add – SMS command
PADD ) defined in the security panel (usually used for the
local area code of the PSTN).
Go to step 5
5.Dial the number.
Example:
Note:
Prefixes are used for voice calls only.
The module is connected to PBX (Private Branch Exchange), which has a PSTN line in area
code 03 after dialing the “access number” 9.
The outgoing calls through the GSM module are allowed to the following telephone
numbers:
03 910-5555 - owner’s residence
052 366-4444 - owner’s cellular
054 366-5555 - owner’s spouse cellular
The telephone numbers definition in the panel should be:
“99105555”, “90523664444”, “90543665555”
Configuring the module for such an operation requires programming the numbers and
prefixes as described below:
PBX prefix: "9"
Prefix Constant: “052”, “054” (or “05” only)
Prefix to remove: None
Prefix to add: "03"
Telephone numbers dialed the by GSM module:
"039105555”, “0523664444”, “0543665555”
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