One Rate Wireless, 555 Hempstead Tpke, Elmont, NY 11003, US

Founded in 1984, Wil Tech Systems Inc. installs, programs, supports and maintains the AT&T product line of both hardware and software systems. The firm specializes in installation and maintenance of voice and data systems. Some of its capabilities include call processing, call accounting, contact center, messaging, mobility and conferencing. The firm is an authorized Avaya Business Partner Member and offers Avaya communications solutions for small businesses. It caters with a range of products that include telephone systems, modular messaging for IP, headsets, on-hold announcements, paging systems, power systems, speakerphones and door phones.