Lenexa Telecommunications Services 10809 Lakeview Ave Zen-Tel is Kansas City's premiere independent provider of telecommunications equipment and services for Nortel, Norstar, Seimens, Rolm, and Avaya systems. Lenexa KS Telecommunications Services Zen Tel Inc www.zen-tel.com Kansas City telecommunications telephony telephones products services Northern Telecom training installation maintenance Siemens Rolm Avaya Nortel Norstar MAC secure largest system switch independent provider Kansas City telecommunications telephony telephones products services Northern Telecom training installation maintenance Siemens Rolm Avaya Nortel Norstar MAC secure largest system switch independent provider Business Reviews Zen Tel Inc Testimonials