How to send short messages in the online business hall? Is there a charge?

There is a charge for sending short messages through the online business hall, which is charged according to the standard short message fee stipulated in the package. Click "self-service-customer information-SMS group sending" in turn to enter the SMS interface of the network hall. You can also log in to 189 to send short messages, and you can send 100 messages for free every month. For more service benefits, click on "official website" customer service 222 below to answer your questions.