This is a service based on intelligent network technology. China Mobile Communications Group Co., Ltd. is in accordance with the overall deployment of the national telecommunications system reform. Inquiring about related knowledge, I know that 35665 smart package is a service based on intelligent network technology, and its function is similar to fixed-line PBX. In a group network, each member has a one-digit short number, and each vpmn member in the group can use this short number to talk to each other and enjoy the priority of the group members in this city.