A “softphone” functions as a phone, but operates on your computer without a physical or “hard” handset or desk phone. Zulu is the softphone application used for making and receiving calls from your computer.
NOTE: Unlike a physical phone, which is always ready to take calls, a softphone will only work if the software is open. You will need to open the software every day to make and receive calls.
Sign In to Zulu
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Log in with the following information:
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Username: username@carlpbx.its.carleton.edu (ie. fschiller@carlpbx.its.carleton.edu)
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Password: your normal Carleton password.
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Do not change the port number below the login info.
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Click Login
If you do not have a Zulu account yet (if you go through the set-up phase and cannot connect), please submit a request to the ITS Helpdesk
Signing out of Zulu
If you are viewing your Zulu window while logged in and able to take calls:
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Click on the 3-line menu in the top left of the Zulu Softphone window, up near your name
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Select Log Out
If you see a screen like this, click the X icon:

Common Zulu Softphone Functions
Making and Receiving Phone Calls
To make a call:
- Click the keypad icon to open the number pad
- Click on the numbers or type to dial the number you want to call
- Press the green phone icon
To answer a call:
- The Zulu software application MUST be open to receive calls
- An incoming call will ring through your computer speaker or headset, and the Zulu application (if open) will pop up to the forefront on your screen
- Click on the green phone icon to answer the call
Hold, Transfer, Mute
Hold:
- While on the call, press the hold icon which looks like a pause symbol
- To resume the call,
Transfer:
- While on the call, press the transfer icon in the toolbar
- In the keypad green box, enter the number you wish to dial
- Press the orange phone icon to complete the transfer.
Mute:
- Press the mute icon which looks like a microphone
- The icon will change to indicate you are muted
- To unmute, press the mute icon again, and it should change back to the standard microphone
More Information