There are no known restrictions on Sender ID to Niger except that messages sending from numeric Sender IDs maybe as considered as P2P traffic and blocked by the local operators. We strongly recommend to send your traffic with Alphanumeric Sender ID that represents your brand and company to avoid any possible blockings.
There are no additional content restrictions beyond those in our Acceptable Use Policy
No adult content is allowed.
No political content is allowed.
Other features/restrictions of note:
Delivery receipts are network receipts and not handset ones and therefore should not be taken as an accurate measure of delivery.