Abstract: An electronic device and a method for monitoring an interference source of a satellite station are provided. The method includes: obtaining a wireless signal; determining whether the wireless signal includes a mobile network signal; demodulating the mobile network signal to obtain a base station identity in response to the wireless signal including the mobile network signal; and outputting the base station identity.

Abstract: The present invention provides a method for a cost-saving telephone service, comprising: receiving a request for telephoning a third party client device from a communication resources using device, wherein the communication resources using device and the third party client device are connected to a first and a second telephone service networks respectively; selecting a communication resources providing device from a plurality of client devices registered to the cost-saving telephone service and connected to the second telephone service network; and having the communication resources providing device telephone the third party client device through the second telephone service network such that the communication resources using device communicates with the third party client device via the communication resources providing device.