Direct inward dialing (DID) is the ability for a caller outside a company to call an internal extension without having to pass through a switchboard operator or attendant.
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.