The newly applied calling card cannot activate SMS.

As long as someone knows your mobile phone number and sends you a text message, you will receive the message from the other party. This is called a text message. Because when you apply for the mobile phone card number, the mobile phone chip has this function, so there is no need to operate it again, and there is no regulation on SMS activation on the mobile phone, as long as the mobile phone is installed on the mobile phone, it will be ok.