This is a feature used to send different messages to different phone numbers, example; Sending Student Exam Report, Sending Student Bills, Sending Bank Account Information, Mention Everyone’s Name in His/Her Message, etc.
First; Let take a look at the steps to follow for sending Student Exam Report;
Watch the video below for steps or continue reading with captured screenshots of steps below;
Bulk SMS Companies develop Platforms/Software for messaging, and have control on which Operator Gateway/Routing they use for message delivery on their Platforms/Software.
NB: These CHEAPER “ALTERNATE” GATEWAY have poor delivery and a lot of limitations/Restrictions, but they use them because they make more profit and are able to sell their SMS credit at a very cheaper price to their customers/clients.