Can I send a message between cornet and cornet?

Hello, cornet can send short messages to cornet users in the same cluster network. According to the normal SMS fee. "SMS sending method: edit the SMS content and send it to the SMS opposite to 10657000. Example {A's short number is 666 and short number is 667. The editable short message of A is sent to B} 20 1065700667. 00, 1 1 copy, short number 2 of Dongguan University of Technology, and the latest application method is edited by SMS: DH5 # 045602 # 25600000.