SIP trunking, Microsoft Teams Direct Routing, UCaaS, SMS and E911 — on a nationwide carrier backbone, built and supported by U.S. engineers since 2009.
Each product stands alone — or bundle all three on one contract and one bill.
Carrier-grade SIP trunks with geo-redundant failover, metered or unlimited plans, and native PBX compatibility — from 2 to 2,000+ numbers.
Explore Volli Connect →Full PSTN connectivity inside Microsoft Teams via certified SBCs. No Microsoft calling plans. Save up to 40% on call costs.
Explore Volli Direct →Voice, video, chat, SMS and call management in one cloud platform. Desktop + mobile softphones included.
Explore Volli Business →Since 2009, we've quietly powered voice for companies you know — while building the platform we wished existed when we were on the agent side.
Our story →Direct carrier relationships cut porting time dramatically — one MSP went from 14 days to 2.
Kari's Law and RAY BAUM's Act compliance built in. ELIN + PIDF-LO included at no extra charge.
International voice with local caller IDs across 50+ countries, aligned to regional regulatory frameworks.
White-glove onboarding, 24/7 NOC, responsive engineering. No offshore ticket queues.
Fortinet chose Volli for secure, scalable voice powering FortiVoice — a partnership that started in 2013 and still underpins mission-critical communications for thousands of customers.
No minimums. No offshore tickets. No four layers of bureaucracy. One vendor, one bill, one support line.
