Sender ID:
There are no known restrictions for Senegal with the exception of Orange, Sender IDs will overwritten to "NXSMS" to ensure delivery.
Also as of recent Expresso has informed and started to block any generic senders like 'verify' or 'sms'.
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
