Disclosed are apparatuses, methods, systems, and program products for establishing a local connection in a roaming location. The communication method is applied in a mobile communication device, wherein the mobile communication device is able to perform a service transmission in a circuit switched domain within a first communication network. The communication method includes detecting a user terminal at a roaming location, obtaining user identity information over a first communication network of a home location and a second communication network of the roaming location, registering the user identity information with the second communication network of the roaming location, and establishing a localized connection between the user terminal and the second communication network based on the registered user identity information.