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if we used this for calls within the 561 area code (our area code in Jupiter), other callers that are beyond
the range of a local call would dial 1 + 747-4466 to call Hybrex.  In this situation the caller ID would have
to strip off the area code.
This requires the use of some kind of table, because a basic caller ID box would not know which office
codes within the 561 area code are local (7 digits only) and which are local toll (1 + 7 digits).  In order to
make this operate properly we must provide the caller ID box with a list of all office codes that are local or
a list of all office codes that are not local.  This allows the Caller ID box to determine which office codes
need to be dialed with only 7 digits and which need to use 1 + 7 digits.

For Example:

If I get a call from another caller within my area code, but not a local call, I will see a

display on my Caller ID unit of 561-344-5678. To redial that call, we need to send the digits
1 + 344 + 5678

To make this example operate, set

Program 84-01-01 to the value 561

(home area code).

Then, on

Program 86-

nxx

you will enter the office codes that are in your area code and are

reached by dialing 1+ 7 digits with a value of 1:
86-221 = 1

86-222 = 1

86-223 = 1

86-224 = 1

86-225 = 1

86-226=1

86-227 = 1

86-228 = 1

86-229 = 1

86-220 = 1

86-321 = 1

86-344 = 1

86-348 = 1

86-349 = 1

86-440 = 1

86-441 = 1

86-442 = 1

86-443 = 1

86-444 = 1

86-445 = 1

When these values are set as shown, each call received from 561-and any of the office codes will
result in calls being redialed using 1+ Office Code + Subscriber Line. (1+221-1234,
1+222=1234…).

5. Local Toll (1 + 10 digit)

Some parts of the country require that in order to call a toll location within your own area code, you must
dial 1 + Area Code + Office Code + subscriber number.
In this application, we have to have the telephone system “know” which office codes are local and which
are not local within the area code. We have to know this in order to be able to properly return a call.

For example:

If I receive a call at Hybrex Communications and it has the Caller ID of 561-747-4567, and

I want to return the call, I must dial only the Office Code and subscriber number. 747 is a local
office code within the 561 Area Code. My telco provides me with a list of the office codes that are
local and those that are toll calls within the 561 area code.

However,

if I receive a call at Hybrex Communications and it has the Caller ID of 561-994-2345,

to redial it, I must dial 1 + 561 + 994 + 2345. It is not a local office code, but it is within the 561
area code.

Program 84-01-01 is set to 561.

Office Codes within 561 that are not local calls and must be

dialed using 1+Area Code + Office Code + Subscriber Line will need to have

Program 86-

nxx

programmed with the value 2

86-361 = 2

86-362 = 2

86-363 = 2

86-364 = 2

86-365 = 2

86-366 = 2

86-367 = 2

86-368 = 2

86-369 = 2

86-991 = 2

86-992 = 2

86-994 = 2

With this programming, all calls that Caller ID receives as 561-361-xxxx will be redialed using the
digit string 1+561+361+xxxx. Every office code programmed with the value 2 will be dialed using
this method.

6. Outside of Area Toll (1 + 10 digit)

This is the “rest of North America.” This accounts for calling outside of my home area code. It will always
include 1 + Area Code + Office Code + subscriber number.

For example:

If I receive a call from New York City, it will display 212-987-6543 on my Caller ID unit. If I

want to return the call, I must dial 1 + 212 + 987 + 6543 to call the number.

This is the default dialing for any examples not covered above. If the area code does not appear
in the Home Area Code Programming Mode (Program 84 ) and it also does not appear in the
Overlay Area Code Table (Program 85 ) the call will be placed using 1+Area code + Office Code
+ Subscriber Number.