Patent ID: 8467824
Filing Date: 2013-06-18
Classification: H04M,H04W

Abstract:
1. A communication apparatus for using a first and second subscriber identifications at the same time for accessing a first and second telecommunication networks correspondingly, comprising: a central controlling device, with a user interface, for receiving a command; a first communication circuit, for installing a first subscriber identity module card and accessing the first telecommunication network according to the first subscriber identification, wherein the first communication circuit comprises: a second communication circuit, for installing a second subscriber identity module card and accessing the second telecommunication network according to the second subscriber identification, wherein the first telecommunication network and the second telecommunication network correspond to a same telecommunication standard, wherein the second communication circuit comprises: a controller, coupled to the second communication circuit, for controlling the second communication circuit, wherein the central controlling device is coupled to the first communication circuit and the controller, and the first communication circuit and the controller are controlled by signals from the central controlling device; wherein the controller further comprises: