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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

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Solutions Built for Your Industry’s Unique Needs

Talk with an expert

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Support

Contact Us Help Center Accessibility

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6 Ways VoIP Saves Your Business Money

6 Ways VoIP Saves Your Business Money

How Unified Communications Enables Alternative Work Options

How Unified Communications Enables Alternative Work Options

5 Tips For Keeping Your New Phone System Project On Track

5 Tips For Keeping Your New Phone System Project On Track

Sangoma Launches New IP Phones Designed for FreePBX and PBXact

Sangoma Launches New IP Phones Designed for FreePBX and PBXact

Understanding QoS and How to Improve the Audio of your VoIP Calls

Understanding QoS and How to Improve the Audio of your VoIP Calls

Open Source Enthusiasts to Converge on Asterisk World at ITEXPO East 2016

Open Source Enthusiasts to Converge on Asterisk World at ITEXPO East 2016

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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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