Sender ID:
There are no known restrictions for Senegal Sentel (60802). However, for Orange (60801) and Expresso (60803) Numeric Sender IDs will be overwritten to "NXSMS" to ensure delivery.
Content:
There are no additional content restrictions beyond those in our Acceptable Use Policy
Other features/restrictions of note:
Delivery Receipts:
Handset delivery receipts are supported.
Links:
Global SMS Features Overview (Outbound only)
Global SMS Numbers Features Overview