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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

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Support

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What to Know about the ISDN Switch Off

What to Know about the ISDN Switch Off

Creepy Conferencing Conundrums Solved with Switchvox Conferencing Widget

Creepy Conferencing Conundrums Solved with Switchvox Conferencing Widget

Asterisk Vs FreePBX: What’s the Difference?

Asterisk Vs FreePBX: What’s the Difference?

Sangoma Reports Q4 and Full Year Results for Fiscal 2019

Sangoma Reports Q4 and Full Year Results for Fiscal 2019

Sangoma Announces Strategic Acquisition of VoIP Innovations, LLC

Sangoma Announces Strategic Acquisition of VoIP Innovations, LLC

Advantages of IP Phones for Business

Advantages of IP Phones for Business

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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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