TopicConnect customer with Direct Inward Dialing
DID is the most effective and local service that a business provider provides in different blocks of telephone numbers for calling with the companies private branch exchange (PBX). DID Service provide simple features to use and it has simple registering processes. Using the simple call application, the telephone users can know their balance amount and make top up to make requires a few hours. When this mobile application is downloaded and installed, the phone user will be able to get access to the Direct Inward Dialing (DID)/ Local Direct Inward Dialing number, free of cost for enjoying the call service or benefits.