What is a trumpet?

Cornet is the abbreviation of Cornet cluster network launched by China Mobile.

The cornet is a group that joins the virtual platform, where they can call each other for free.

Cornet trunking network service: It is to establish a special virtual network for mobile GSM, Shenzhouxing, M-Zone and Shenzhou Volkswagen Card customers through cornet function, and carry out unified numbering and networking. All brand users can enjoy 24-hour preferential charges for calling each other in the same city (province) through cornet.

Cornet is a business in which several people apply for a group together. Each person in the group only needs to deduct the 5 yuan fee every month, and the members in the group can exchange phones indefinitely, which is suitable for the big family in a city.