The first one is the most common mobile fetion. You can log in by computer and send short messages to friends in Fetion. It′s on the house. (Can only be sent to the mobile phone number and must be your Fetion friend)
Second, if your business is big enough and refreshing enough, you can use ERP or RTX software to send information to any mobile phone number. This needs to be paid, and your enterprise has to pay the ERP or RTX platform fee.
Thirdly, China Telecom's business mobile phone, with Wangpu assistant software, can operate this business mobile phone with a computer through USB, including dialing and sending and receiving short messages. (This is also free. As long as you buy a telecom mobile phone, you can provide the software. Now the phone given to me by our company is a telecom mobile phone, which is very convenient. )