v3.1.3
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COLLABORATION

Voice & Unified Communications

Lumen's voice and collaboration portfolio spans cloud voice, SIP trunking, hosted PBX, and managed Microsoft Teams calling — backed by one of the largest SIP footprints in North America and 30+ years of UC&C expertise.

30+YEARS OF UC&C EXPERTISE
Four workers chat in a modern office (semantic substitute — no voice-specific hero in pictures.json)
LargestSIP trunking provider in North America
30+ yrsUC&C expertise
6global SBC data centers for Teams Direct Routing
Multi-vendorZoom / Microsoft / Cisco integration

Voice & UC portfolio

Microsoft Teams Operator Connect spotlight (deferred — type-only render)
CARRIER PARTNERSHIP

Microsoft Teams Operator Connect — carrier-grade calling, native in Teams.

Lumen is a Microsoft-certified Operator Connect carrier with high-availability SBCs in 6 global data centers. Keep your existing phone numbers, get dynamic 911, and run Teams Phone with carrier-grade PSTN over the AS3356 backbone — the #1 peered network in the world. Operator Connect, Direct Routing, 6 SBC data centers, dynamic 911, 24/7 Lumen support.

American Family Care logo

American Family Care

“With Lumen, we have been able to stay ahead of emerging technologies and make sure that our business remains safe.”

— Claudius Moore, CIO, American Family Care
<2%dropped call rate
99.9%uptime
$30K/mosavings across 200+ clinics in 26 states
Collaboration alliances
MicrosoftZoomCisco