An entitlement server establishes a communication connection with a user equipment and receives from the user equipment a first request for a specific service activation through a communication connection. The first request includes information indicating whether to activate the specific service and the specific service is for transmitting and/or receiving a call via a cellular communication connection with a telephone number of the user equipment at an external electronic device connected, via a short-range communication connection, with the user equipment. A second request for configuration information is received from the user equipment a through the communication connection and includes one or more service identifiers corresponding to one or more services, including the specific service, available to the external electronic device. Subsequent to transmission of the first request and/or the second request, the entitlement server transmits to the user equipment the configuration information associated with the activated specific service available to the external electronic device.