Direct Inward Dialing And ICTBroadcast
Direct Inward Dialing (DID) provided by telco companies which allow outside caller/customer to directly connect with an companies inside sales team through Private Branch Exchange(PBX). DID is an direct method of marketing, PBX consist of one or more DIDs number and it allow caller to connect the system and navigating the different extensions and departments using voice menus and other interactive response