The heating wave of Skype has been disturbing the overall ecology for the vast telecommunication industry, making the VoIP the hot-talked topic to the general public. EDOM Technology has been organizing the technology-leading brands it represents, including PCM audio signal processors by F3, and microprocessors integrated SLIC, code decoders (ProSLIC) and audio DAA by Silicon Labs to provide total solutions for USB VoIP Call Box so that the end products can show the optimized system stability.