Bulk+smssender+github+work Official

Very easy to set up; leverages your existing phone plan.

Highly reliable, fast, and less likely to be flagged as spam by carriers. bulk+smssender+github+work

Slow sending speeds (usually 10–20 messages per minute) and risk of the SIM being blocked for "commercial use." C. Android-as-a-Gateway Solutions Very easy to set up; leverages your existing phone plan