WORLDSOURCE

maintenance of telecommunications network hardware for others

telecommunications services, namely, frame relay telecommunications services; virtual network telecommunications services; voice, text and facsimile transmission services; long distance and international voice and data telecommunications services; private line voice, text and data telecommunications services; integrated services digital network (ISDN) telecommunications services; transmission of voice and data via satellite and telecommunications links

providing on-site consultation on the operation of telecommunications networks; updating telecommunications computer software for others