The Cicero Campus number ranges are 708-555-1xxx, 708-555-2xxx, and 708-555-3xxx.
The Cicero Campus site-access code is 7.
The Dallas campus number ranges are 972-555-1xxx and 972-555-2xxx.
The Dallas campus site-access code is 5.
The ORD (Span Engineering Chicago airport location) number range is 630-555-5xxx.
The ORD site-access code is 6.
The PSTN requires ten-digit dialing for local calls.
The PSTN requires 1 + ten digits for long-distance calls.
Cicero to ORD is local through PSTN.
Cicero to Dallas is long distance through PSTN.
Intrasite calls require a four-digit extension.
Intersite calls require an access code and a four-digit extension.
Based on the dial plan worksheet, fill in the appropriate information in each space in Figure. The first row has been filled in for you as an example.
