Business Information
Phonewire installs and supports business phone systems for the St. Louis metro and Nationwide — on-premise and cloud PBX, VoIP and SIP lines, business texting, intercom and paging, and desk phones that keep working through internet outages: service fails over to the cellular data network, not just to your cell phone. We replace end-of-life NEC, Avaya, Mitel, Toshiba, and Nortel systems and move businesses off retiring POTS/copper lines. Police departments, medical offices, and surgical centers trust us with phones that can't fail. U.S.-based technicians answer every call — no offshore call centers, no bots. We supply and install our own systems, so we don't quote install-only or cabling work. 25+ years in telecom — we actually show up.

Opening Times
Mon-Fri 8am-4pm, Sat-Sun Closed

Payment Methods Accepted
American Express, Check, Discover, Financing, Invoice, MasterCard, Visa

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