CallPalDID (direct inward dialing number)
A DID, or direct inward dialing number, is an individual phone number assigned to a business by a carrier that routes directly to a specific person, team or system without going through a switchboard. In outbound calling, the DID is the number presented to the person being called.
Which DID an outbound call presents is a decision, not an accident. Presenting a company number rather than a rep’s mobile means callbacks reach the business, and the number survives the rep leaving.
Teams calling several regions often hold DIDs in each, so a call to one area presents a number from that area — see local presence dialing.
Under BYOC the DIDs belong to the business, registered with its own carrier, which is why switching software does not require porting them.
Related terms
- BYOC (bring your own carrier)You contract your own carrier for minutes; the software only dials.
- SIP trunkThe connection that carries your calls between your software and a carrier.
- Local presence dialingPresenting a number with the same area code as the person you are calling.
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