Campus Phones and Telecommunications

Telephone service, including voicemail, is provided for all employees.

Campus Calls

To make a call from one campus phone to another, simply dial the 4-digit extension.

Phone Moves, Additions, Changes, and Repairs

For assistance with any phone or phone number issues, contact the ITS Service Desk.

Phone Operation Manuals

Identify your phone model below. Click the image to view the manual for that model

Dial 0, then follow the prompt to find the phone number, or Dial 7755 and then say the first and last name of the person, or the name of the department, you would like to reach.

Campus phones allow users to connect with two other lines by utilizing the "Confrn" button. If you plan to connect to more than two other lines, you should use Infinite Conferencing.  Colgate University and Infinite Conferencing have an agreement which gives you an affordable option for conferencing up to 150 callers. Each department should set up an account directly with Infinite if they have not done so already.  

To set up an account, please contact Infinite Conferencing.  If you have an account already (or are unsure if you have an account) and need to set up a conference call, please contact them by phone at 888-203-7900 or email them at

There is a charge associated with all directory assistance calls. Please access your favorite online resource (, for example) as a phone number resource. Otherwise, dial 9 + 1 + area code + 555-1212 (wait for tone) + access code.

Dial 9 + 011 + country code + city code + phone number 

Dial 9 + 1 + the 7-digit number.

Outside the 315 Area Code

Dial 9 + 1 + area code + phone number

Inside the 315 Area Code

Dial 9 + 1 + 315 + phone number 

From you own phone, press the "messages" button.

From your mobile phone or any other phone off campus, dial 315-228-7840 and follow the instructions.

Colgate University Voicemail Information System

Ask for Help

If you are unable to find the information you need in the documentation available online, the ITS Service Desk is available to assist.