Do telecom hang up and send text messages?

Yes, the "on-hook SMS" service is an active push service for enterprise advertising SMS. After the fixed line applies for this service, users can log on to the on-hook SMS platform to set up advertising SMS. When the other party dials the fixed line, it can send different advertisement short messages according to the previous connection status (including connected, unanswered, busy, etc.). ). For more service offers, click "official website" below to answer your questions.