Disclosed are a method and device for communications, comprising: on a distributed service center, determining function parameter configuration information of the distributed service center, where the function parameter configuration information comprises: a distributed service center device identification, a network identification, a cluster identification, cluster information, a service identification, network service center identification or address information of a core network; determining communication needs on the distributed service center on the basis of the function parameter configuration information, and transmitting a communication request message to a corresponding device. When the communication request message transmitted by the distributed service center is received by a network service center device of the core network, the device responds on the basis of the communication request message. When a system broadcast message transmitted via an air interface is received by an end point node, same
