1. Is there certain restrictions on SMS messages?

Some countries present certain restrictions, please make sure you follow the guidelines to ensure the best delivery of your SMS messages.

Types of restrictions:

  1. Alphanumeric only: Sender ID must be in Latin alphabet characters only (Alphanumeric Sender ID Countries ).
  2. Numeric only: Sender ID must be numbers only (Numeric Sender ID Countries).
  3. No restrictions: you can use both numeric or alphanumeric in your sender ID (No restriction Sender ID Countries).

Some countries have specific restrictions that needed to bypass it through a masked sender ID, and others allow only a registered sender ID. Certain SMS contents might be blocked by some countries.