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Products

Communications Platforms

Platforms Cloud Hybrid On-Premises

Collaboration Tools

TeamHub Video Conferencing

PRODUCTIVITY AND HARDWARE

Productivity Apps Phones & Hardware

MANAGED NETWORKS

Managed Network & Connectivity Managed Security Managed 5G Access Managed Power

MORE SOLUTIONS

Contact Center as a Service Open Source Microsoft Teams Integration Sangoma Scribe SIP Trunking & Faxing Wholesale SIP trunking

Sangoma Menu Image

Not sure how we can help your business?

Talk with an expert

Solutions

Industry Sectors

Education Healthcare Hospitality Manufacturing Retail

Sangoma Menu Image

Built for your industry’s unique needs

Talk with an expert

Partners

Partnership & Collaboration

Partners Program Find a Partner

Sangoma Menu Image

Solutions Built for Your Industry’s Unique Needs

Talk with an expert

Resources

Support

Contact Us Help Center Accessibility

Trust & Compliance

Security Legal and Policies Important Links

Engagement

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Company

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Join us in building the future of communications

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United Kingdom’s Citizens Advice Bureau Deploys Sangoma Vega50 Gateways to Improve Operational Efficiency

United Kingdom’s Citizens Advice Bureau Deploys Sangoma Vega50 Gateways to Improve Operational Efficiency

Sangoma Releases High-Density Telephony Board for Digital Span Monitoring

Sangoma Releases High-Density Telephony Board for Digital Span Monitoring

Digium Gets Into Hosted UC Game With Switchvox Cloud [CRN]

Digium Gets Into Hosted UC Game With Switchvox Cloud [CRN]

Switchvox Now in the Cloud [UCStrategies.com]

Switchvox Now in the Cloud [UCStrategies.com]

7 Tips for Effective UC Security

7 Tips for Effective UC Security

TSPA Members’ Pick: Mark Spencer for developing Asterisk [ITSPA Awards 2013]

TSPA Members’ Pick: Mark Spencer for developing Asterisk [ITSPA Awards 2013]

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©2026 Sangoma US Inc. All rights reserved

What is SIP Trunking?

Session Initiation Protocol (SIP) trunking is the digital method of making and receiving phone calls and other digital communication over an internet connection. The term trunk in SIP trunking refers to virtual phone lines that you can use to make phone calls over the internet to anyone with a phone number. SIP trunks not only carry voice calls, but it’s also used for multimedia communication that combines voice, video and messaging services.

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