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DIDs

DID (Direct Inward Dial) phone numbers are used for inbound purposes and the use of DID numbers enables the PSTN (Public Switched Telephone Network) to connect with your internal extension.

Each DID can be configured to reach a certain extension, Queue, Hunt Group, IVR or any combination of the elements defined for the tenant.

A DID can be configured to accept voice, fax or try to guess the calling party (if voice of fax).

Autodetection relies on signalling at the start of the call and cannot be always reliable.

Editing New/Define DIDs

The number must be entered in three parts, starting with international prefix, area code and number.

It is possible to use regular expression inside the number. In case multiple regular expressions match the number dialed, the ordering is based alphabetically on the Comment.
Comment: is just a comment and it is not used in any way.

Max channels: allows you to set the maximal number of channels available on the DID. Any additional call received will be refused with a busy signal.

Use CNAM service:  allows you to assign the Caller ID Name based on this popular service offered in most countries.

Use as Emergency CallerID: permits you to mark this DID as one of the available to be used when an emergency call is dialed. It is your duty to assign the “emergency flag” to the dialing rules for emergency numbers. When a call is dialed and it is using a dialing rule marked as “emergency”, the Caller ID number used for the extension is the one defined as “Emergency” among the ones with this flag set.

Inbound Call Rate: – Broadtela Assigned Parameter

Voice

This section allows to define how to route the call when a voice call is received.

Unconditional Forward:  is a destination that can be set on the DID to send the call to a particular destination. It is enable/disabled by the checkbox and that checkbox can be easily controlled by a feature code. This is not the destination to be set for common usage, you need to use the one in the Voice section.

Always record:  permits to force the recording of the call, whichever is the future of the call. Recordings will be available through the Call History menu.

Email recordings: to defines if and to who the recordings needs to be sent once the call is over. Multiple destinations email can be entered with any delimiter, like space, comma and point and comma.

Minimum Size (Bytes): allows to receive those recordings bigger than the size set, in Bytes. Recording takes place only on bridged channels, so IVR prompts or Music On Hold will be not recorded.

Prefix CallerID Num: it is possible to define a string to be added to any CallerID number received to identify for example the DID the call is coming from. The same result can be achieved by defining a Custom Destination.

Prefix CallerID Name: is the same as above, but for the Caller ID Name.

Destination multiple drop down: allow you to define the list and the order of the objects receiving the call.

Fax

This section allows to define what to do with the call if a fax is received on the number defined. Receiving Fax over the Internet has often a low success rate, even if T.38 protocol is used.

Receive fax: can be used to select if autodetect, force or disallow the reception of a Fax over the current DID.

Fax Station ID and Fax Header allows you to customize your virtual fax.

Fax Protocol: can be selected among T.38 (the preferred way to receive faxes), T.38 with fallback to G.711 or only G.711.

Email destinations box: permits to enter one or multiple comma delimited email address to forward the received fax. Received fax are sent in PDF format. Partially received faxes are sent in the same way.

It is possible to store the fax received for later reviewing using the Store Fax Received control.

SMS

You can specify how to pull or receive SMS on this DID.

Protocol lets you choose the protocol to be used. More info can be found in embedded help.

The SMS can be then delivered to a SIP phone as SIP message or to any other destination.

Bulk DIDs creation

It is possible to create multiple DIDs at once with Bulk DIDs creation button.

In this way a range of number is requested.

All the generated numbers are configured in the same way.