Due to regulatory issues, MTN Nigeria has stopped Open Sender id for DND numbers.
This means that messages sent to DND lines on the MTN Network will deliver with a default sender ID.
For now, the default sender ID is "INFO" or "INFINITY". However, this could be changed without notice.
Please note, that this only affects MTN DND Numbers, as lines on other networks (Airtel, 9Mobile, and Globacom) will receive your message with your Sender ID, including non-DND active MTN numbers.
We advise that you start your MESSAGE with your Sender ID or put a signature at the end of your message so your recipients can easily recognize the Sender on opening the SMS even if the Sender ID changes.”
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