Direct Inward / Outward Dialing (DID)


Users are assigned a public phone number that can be used to place or receive calls directly. The caller ID can be set to be your Direct Inward Dial (DID) Number, or set to a group or department number. Any Masergy user can be assigned a public phone number (also known as a direct inward dialing phone number, or DID) that can be used by external parties to call the user directly, without having to go through an attendant.


How to

For details on how to administer Caller ID with your DID number or any other questions, please contact support at or schedule a training session at

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