Direct Inward Dial; Trunk Groups - Xblue Networks X-50 Installation Manual

Voice

Direct Inward Dial

One feature that some SIP Trunk providers offer is the ability to use Direct Inward Dial (DID) numbers. DID
numbers are published direct telephone numbers that rings to a specific user's extension, bypassing the attendant
and auto attendant. DID's were once saved for large companies who could buy hundreds of sequential telephone
numbers, which were assigned to specific employees. SIP Trunk providers allow smaller companies to purchase a
limited set of these numbers, such as ten DID's, 2200 to 2210. However, not all SIP trunk providers offer the DID
feature so it is important to check before signing any contacts. SIP Trunks with DID assignments are not affected
by the Answer Position (See
The function of this table is to enter the incoming 10 digit telephone number and assign it to a specific telephone
extension.
DID Number - This is the published, direct telephone number that will be dialed to reach the user.
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Destination - also known as the Extension Number - This is the extension number that will ring when
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the DID number is received into the system.
Outgoing Call ID - This is the telephone that will be sent by the SIP provider when making a call from
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the programmed destination.
Display Name - This is the name that will be displayed when the DID Trunk rings the Extension.
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Trunk - Group - Use the dropdown menu when assigning a DID Trunk to a Trunk Group. The SIP Trunk
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must be marked as "DID Yes".
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page 181) assignments.
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