What does caller ID virtual operator mean?

After receiving the call, the mobile phone will directly display the name of virtual operator, not the name of a major telecom operator. Virtual operator is a new telecom operator. It doesn't have its own communication network, but only rents the infrastructure of traditional telecom operators. Caller ID virtual operator means that after the mobile phone receives the incoming call information, the incoming call information will directly display virtual operator's name instead of three. Name of large telecom operator.