Generic and numeric Sender IDs are not allowed, therefore you must use alpha Sender IDs to send traffic here, ideally your company name.
For any traffic sent to the MCI network, the Sender ID needs to be registered.
Dynamic Sender ID is not supported.
No adult content is allowed.
No political content is allowed.
No religious content is allowed.
Unicode is supported.
Concatenated messages are supported.
Other Features or Restrictions
Handset delivery receipts are not reliable for any of the networks.
For more information, see the following articles: