Sudan

All SMS sent with numeric Sender ID's to MTN Sudan (63402) and Zain (63401) will be blocked by the operator.

To overcome this:

- Any messages sent via Nexmo with numeric Sender ID's will be automatically changed to "SMS" or "NXSMS"

- Any messages sent via Nexmo with alphanumeric Sender ID's will remain unchanged and will deliver as normal.

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