A: Hi there! 👋

An SMS alphanumeric sender allows you to customize the sender ID (e.g., your brand name) for messages, but this feature isn’t available in the USA and Canada due to regulations requiring Toll-Free Numbers (TFNs).

In these regions, the "5" refers to the number of TFNs you can use. For other countries, you can personalize the sender name as supported by local regulations.

Let us know if you have more questions! 😊

Best
Oscar