BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic diagram of a wireless communication device of an embodiment of the invention.
FIG. 2 shows a schematic diagram of a wireless communication device of another embodiment of the invention.
FIG. 3 shows a flowchart of a method for processing voice over Internet protocol signals of a further embodiment of the invention.
FIG. 4 shows a flowchart of a method for processing voice over Internet protocol signals of a still further embodiment of the invention.