https://blog.bulksmsnigeria.com/rupdate-infodesk-infiniti-sender-id-change-dnd-numbers/
Fixed -- rNotify, rUPDATE, InfoDesk, Infiniti: Why Do My Sender ID Change for DND Numbers? | Bulk...
Jul 2, 2018 - UPDATE!!! As at 1st May 2018, Sender IDs no longer change for messages sent to DND numbers via BulkSMSNigeria.com. We upgraded to a corporate route that...