National Telcom Services understands the communication needs of the small to medium-sized business. National Telcom Services provides the sales and service of telephone systems and voice mail, along with VOIP systems and applications. Services include the design, implementation, installation and training for your communication systems. In addition to telephone, voice mail and VOIP systems, National Telcom Services provides voice and data cabling. National Telcom Services will design, install and test your network cabling. They will also do a network analysis. National Telcom Services' work is backed up with a warranty and exceptional 24/7 customer service. National Telcom Services has competitive pricing and affordable service. Your small to medium-sized business experts team since 1981. For a quote on AVAYA IP Office System, call today at 316-260-3131.