12123 Can text messages be sent to multiple people?

A person. 12123, a national unified number. Use the 12123 number to send text messages and provide information push services such as business notifications and warning education. 12123 Illegal text messages are only visible to you. The SMS service develops unified SMS platform software, connects to the SMS gateways of the three major operators of China Mobile, China Unicom, and China Telecom, uses the 12123 number to send SMS messages, and provides information push services such as business notifications and warning education.