Dallas Telephone Systems
National Telesystems, Inc. is proud to carry the finest equipment in the industry, including NEC, Northstar, Avaya, Lucent Technologies, Meridian, Vodavi, WIN, Infinite Systems and Starplus – to name just a few. NTI specializes in premise-based telephone systems, and urges you to make an informed choice about which telephone system is best for your business. więcej...