GS0351: Business consultation services in the areas of selection, implementation, and use of voice-enabled electronic communication devices, systems, and software
GS0371: Installation, repair, and maintenance of voice-enabled electronic communication devices, systems, and hardware
GS0421: Computer consultation services in the areas of selection, implementation, and use of voice-enabled electronic communication devices, systems, and software; installation, repair, and maintenance of voice-enabled electronic communication software