This document will help students, faculty, and staff use telephones on-campus.

On Campus (572, 294, 296)

To call other telephones on campus, enter the last five numbers you wish to call.

• For numbers beginning with 572, PRESS 2-XXXX.
• For numbers beginning with 294, PRESS 4-XXXX.
• For numbers beginning with 296, PRESS 6-XXXX.

Off Campus

• To call local numbers off campus, PRESS 8 + Local number.
• For authorization code users: LISTEN for recall dial tone and ENTER authorization code.

Directory Assistance

• On-Campus Numbers: PRESS 0.
• Off-Campus Numbers: PRESS 8 + 1 + 411, or 8 + 1 + area code + 555-1212.
• International Calls (Calling Card required): PRESS 8 + 0.

Calling the Operator

• Iowa State Campus Operator: PRESS 0.
• Off-Campus Operator / International Operator: PRESS 8 + 0.

Long Distance Calls

Normal Calling: PRESS 8 + 1 + Area Code + Number

Using an Authorization Code:

1. PRESS 8 + 1 + Area Code + Number
2. LISTEN for recall dial tone
3. ENTER authorization code.

Toll-Free Calls (For any 3-digit toll free number, e.g., 800, 866, 877, 888)

• PRESS 8 + 1 + 8XX + Number

Direct Dialing International Calls

• PRESS 8 + 011 + Country code + City code + Local number.
• For authorization code users: LISTEN for recall dial tone and ENTER authorization code.

Using an AT&T Calling Card

1. PRESS 8 + 0 + area code + seven-digit number
2. LISTEN for computer tone
3. ENTER calling card number or wait for operator

Using a Calling Card from Another Carrier

• PRESS 8 + 1 + Access number provided by carrier.

Person-to-Person or Collect Calls

1. PRESS 8 + 0 + area code + seven-digit number
2. LISTEN for operator
3. Give requested information

Alerting Rings (indicate where a call originated from)

1. Single ring: call from an on-campus extension
2. Double ring: call from off-campus or operator
3. Triple ring: automatic callback call

Call Progress Tones

• Call Waiting: A single tone while you are on the line indicates that you have another incoming call.
• Confirmation: Three short tones confirm the command you entered has been performed.
• Intercept: Alternating high and low tones indicate a dialing error or denial of the command you entered.
• Recall: Three short tones followed by dial tone indicate the command you entered has been performed.

Temporary Data Protection

When using your telephone with a modem for data calls, activate Temporary Data Protection to prevent any interruption for the duration of your data call.

• LISTEN for dial tone.
• PRESS 113.