That telecom business hall in Beihai, Guangxi can support remote cancellation.

Not supported. China Telecom official website inquired that Guangxi Beihai Telecom Business Hall does not support remote cancellation, and the cancellation of remote telecom cards can only be completed in the telecom business hall to which the number belongs. Telecommunications refers to the use of electronic technology to transmit information between different places. Telecommunications includes different kinds of long-distance communication methods, such as radio, telegraph, television, telephone, data communication and computer network communication.