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3.6.5 Program Call Forward Allowed Area Codes
This programming sequence is used by the doorman or system administrator to limit which area
codes can be called when option 2 is selected in 3.6.1. This is a feature to prevent toll charges being
incurred on calls forwarded through the phone line connected directly to the 1820 control panel. If a
call forwarding area code does not match an area code programmed here, then the call is routed to
the resident’s phone. Up to 30 area codes can be stored in the 1820 memory. A long beep is heard
when the memory is full.
Factory Default = (Not Programmed)
1. Take the doorman telephone off hook.
2. Press *46 and enter the four-digit MASTER CODE _ _ _ _ (beep).
3. Enter a three-digit area code _ _ _ then press * (beep).
4. Repeat step 3 to program additional area codes.
5. Hang up the doorman telephone to end the programming session.
3.6.6 Delete Call Forward Allowed Area Codes
This programming sequence is used by the doorman or system administrator to delete area codes
from the allowed area code memory.
Factory Default = (Not Programmed)
1. Take the doorman telephone off hook.
2. Press *47 and enter the four-digit MASTER CODE _ _ _ _ (beep).
3. Enter a three-digit area code _ _ _ then press * (beep).
4. Repeat step 3 to delete additional area codes.
5. Hang up the doorman telephone to end the programming session.
3.6.7 Delete All Call Forward Allowed Area Codes
This programming sequence is used by the doorman or system administrator to delete all area codes
from the allowed area code memory.
Factory Default = (Not Programmed)
1. Take the doorman telephone off hook.
2. Press *48 and enter the four-digit MASTER CODE _ _ _ _ (beep).
3. Enter 9 9 9 9 then press * (beeeeeep). This process takes about 3 seconds to complete.
4. Hang up the doorman telephone to end the programming session.
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