Teltek is a Certified Avaya Business Partner, NEC Dealer, and Microsoft Partner with three locations in the Baltimore and DC Metropolitan areas. We specialize in providing one call technology support for small to mid-sized businesses and nonprofits in Maryland, Washington, DC, Virginia and Pennsylvania.Our dedicated team of experts enables Teltek to provide, install and repair business phone systems & computer networks, run voice and data cabling and coordinate local, long-distance, and internet service providers.