IBM -4900 - Manual (Page 24)

AREA CODE PROGRAMMING
This feature allows calls to be stored as a local call and dialed back using the [DIAL] key as a local call
(the area code will not be dialed). There is storage for one local area code. Once you program the local
area code, any incoming phone call from that area code will have the area code deleted automatically.
Any phone call received prior to area code programming will be stored with the area code and dialed
with the area code until deleted from the Caller ID log.
To store the local area code:
I. Press the [STORE] key.
2. Press [I].
3. Enter the area code no more than 5 digits.
4. Press [MUTE].
5. A short ring will be heard to signal successful programming.
NOTE: Delete any local phone numbers that have been stored with the
code prior to the area code
programming. This way the number can be re-stored as a local phone number (without the area code) the
next time you receive a call that number.
To remove a programmed area code:
I. Press the [STORE] key.
2. Press [I].
3. Press
4. Press [MUTE].
5. A short ring will be heard to signal successful programming.
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