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Business-Ready SIP Trunking, Teams Direct Routing & UCaaS

Experience seamless, secure, and reliable communication with Volli’s advanced SIP trunking, UCaaS, and Microsoft Teams Direct Routing services — all designed to scale with your business needs.

Business team using Microsoft Teams Direct Routing and SIP trunking services in a modern office setting

Our Full Product Suite

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Volli Connect Icon | Volli CommunicationsVolli Connect

Reliable SIP Trunking for scalable voice solutions

Volli Direct Icon | Volli CommunicationsVolli Direct

Direct routing for seamless Microsoft Teams calling.

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Full-featured voice platform with built-in flexibility.

Why Choose Volli?

Screenshot 2025 05 03 at 8.45.21 PM 1 | Volli CommunicationsUnified Platform

Bring SIP, SMS, and UCaaS together under one streamlined ecosystem—fully managed and built for scale.

Screenshot 2025 05 03 at 8.45.29 PM 1 | Volli CommunicationsRapid Porting

From 2 to 2,000+ numbers—Volli simplifies complex porting with unmatched speed and precision.

Screenshot 2025 05 03 at 8.45.33 PM 1 | Volli CommunicationsUnmatched Reliability

99.99% uptime, global failover, and fully redundant systems to keep your business always-on.

"The Volli team gets it—having been in the partner space, they understand what agents need and deliver hands-on support that drives growth. Their tech is flexible, reliable, and a big reason they’ve scaled so fast." ⭐️⭐️⭐️⭐️⭐️
Meilee Langley
Meilee LangleyVP, Global Indirect Marketing, Nextiva
"If you want more than just a service provider, Volli is it. Their SIP network is rock solid, their Teams integration is seamless, and the people behind it all truly care. It feels like partnering with family—reliable, personal, and globally connected." ⭐️⭐️⭐️⭐️⭐️
Eric Brooker
Eric BrookerChannel Leader

Built for teams who
think beyond the status quo:

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Case Study: Fortinet Partnership

Learn how Fortinet leveraged Volll’s platform for secure, scalable communication infrastruct.

Fortinet and Volli Communications integration logo

Ready to Get Started?

Request a quote today to learn how Volli’s solutions can benefit your business.

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SIP Trunking with One Voice

One Voice delivers scalable SIP trunking for modern PBX systems with failover routing, metered plans, and full UCaaS integration.

Microsoft Teams Direct Routing

Our Teams Direct Routing lets you connect Microsoft Teams to the PSTN using One Voice without needing Microsoft calling plans.

UCaaS Platform for Enterprise

One Voice includes UCaaS features like softphones, collaboration tools, voicemail-to-email, call recording, and more.

Toll-Free Voice Solutions

Provision, route, and analyze toll-free numbers through One Voice with fraud mitigation and SMS/MMS support.