📞 Enterprise-Grade VoIP

Reliable VoIP Solutions for Modern Business

Telsis delivers carrier-grade voice communication services — DIDs, TFNs, SIP Trunks, and more — built for scalability, clarity, and uptime you can count on.

● Live Network Status
99.9% Uptime
<20ms Latency
DID & TFN Numbers
SIP Trunking
Origination & Termination
VoIP Switch
99.9% Network Uptime
US-Based Support
Carrier-Grade Infrastructure
Competitive Rates
Nationwide Coverage

Complete VoIP Service Portfolio

From direct inward dialing to full VoIP switching infrastructure, Telsis covers every layer of your voice communications needs.

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DIDs & TFNs

Direct Inward Dialing and Toll-Free Numbers available nationwide. Instant provisioning with full portability.

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Origination

Inbound call origination services with crystal-clear audio quality and intelligent routing to your destination of choice.

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Termination

High-quality outbound voice termination with competitive per-minute rates and global reach across all major carriers.

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SIP Trunks

Scalable SIP trunk connections that replace traditional phone lines — flexible channel counts and instant scale-up.

VoIP Switch

Enterprise VoIP switching solutions for carriers, resellers, and large enterprises managing high call volumes.

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Number Porting

Seamlessly port your existing numbers to Telsis with zero downtime and full support throughout the process.

Built for Businesses That Can't Afford Downtime

We operate carrier-grade infrastructure from Billings, MT — giving you the reliability of a major telco with the personal service of a dedicated partner.

Instant Provisioning

Numbers and trunks go live within minutes — no waiting days for activation.

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Secure & Compliant

STIR/SHAKEN compliant infrastructure with fraud detection built in.

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Real Support, Real People

Reach our team directly at sales@telsis.net or +1 406 318 5014.

99.9%
Network Uptime SLA
24/7
Network Monitoring
US
Based & Operated
Scalable Channels

Ready to Upgrade Your Voice Infrastructure?

Get in touch with the Telsis team today and we'll find the right VoIP solution for your business.