SIP Trunking

Modernize and add on-demand scale to your existing business phone

Upgrade your existing PBX to support on-demand scaling, best-in-class call quality, and ensure your network grows as you grow.

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Why Choose Momentum?

Communications consistent with your company's needs

Stay operational during high-demand periods and support long-term growth with Momentum’s SIP trunking solution. Our solution is compatible with most certified PBX vendors, including Avaya, Mitel, Cisco, ShoreTel, and Panasonic — offering:

  • Transparent usage-based pricing
  • Unlimited domestic calling
  • Global number coverage
  • Instant, on-demand scalability
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Trusted by 30,000+ locations globally

Cleveland Browns
Columbus Crew
Grand Bear
Ronald McDonald House
Evergreen Health
IRG Physical Therapy
ICWG Car wash group
Smile Doctors
Kitsap Credit Union
AJGA Golf

Enable flexible and more reliable communication

E911 support

Ensure your organization is prepared for emergencies and compliant with regulations with full 911 and E911 functionality. 

Trusted infrastructure

Momentum’s carrier-grade, geo-redundant network is trusted by corporations and carriers located throughout the world.

High-touch support

Take control of your communications with 24×7, on-demand high-touch support from our team of SIP trunking experts. 

Designed for reliability

Backed by our global network, our SIP trunking service is considerably more reliable than most primary rate interfaces (PRIs).

Your one-stop shop

Momentum offers a comprehensive portfolio of synergistic services, including SD-WAN, Cloud Voice, Teams Phone, and more. 

Global scalability

Momentum owns the entirety of our global network and has the capacity to install our own circuits, enabling unprecedented coverage.  
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Breathe new life into your legacy PBX infrastructure

Create a scalable, easy-to-manage communications network with our flexible SIP trunking service. Momentum will provide you with a digital service to support all your network routing needs, with benefits that include:

  • Multi-site deployments to support both regional and global growth
  • Compatibility with Momentum Cloud Voice to enable feature-rich calling
  • Leveraging existing infrastructure to eliminate the need for upgrades
  • Custom routing to support your call flow and networking needs
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Your partner in business collaboration

Momentum empowers your business with the tools it needs to thrive. Enhance productivity and drive growth with custom solutions for connectivity, communication, engagement, and more.

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Explore Momentum's other collaboration solutions

Interested in exploring other ways your business can optimize its PBX and Teams deployments? Have a look at some of our other offerings below. 

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Teams Phone

Integrate enterprise-grade PBX functionality into Microsoft Teams with a direct connection to the PSTN. 

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Cloud Voice

Modernize your communications infrastructure with a feature-rich cloud solution.

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Operator Connect

Transform Microsoft Teams into a full-featured business phone solution with simplified management.

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Maximize the value of your PBX investment with Momentum

Enhance your business phone system with a SIP trunk that’s built to scale while accessing a diverse portfolio of additional communications and connectivity services.

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FAQ

SIP Trunking frequently asked questions

What is SIP Trunking?
SIP Trunking is a popular method for delivering voice and other communication services over the Internet using the Session Initiation Protocol (SIP). It replaces traditional telephone lines by connecting a company's Private Branch Exchange (PBX) to the Public Switched Telephone Network (PSTN) via the Internet.
How does SIP Trunking differ from traditional phone lines?
SIP Trunking uses the Internet to transmit voice data, offering greater flexibility, scalability, and often reduced costs, whereas traditional phone lines rely on physical connections.
What are the benefits of using SIP Trunking?
SIP Trunking offers several benefits, including cost savings, scalability, flexibility, improved call quality, and integration with other communication platforms.
How does SIP Trunking handle emergency calls?
SIP Trunking providers route emergency calls to the appropriate Public Safety Answering Point (PSAP) based on the caller's registered location. Keep in mind you must keep location information updated with your provider.
Is SIP Trunking secure?
Security depends on the implementation. Using recognized encryption protocols, secure networks, and working with reputable providers can enhance the security of your SIP Trunking services.
How is call quality managed in SIP Trunking?
Call quality is influenced by internet bandwidth, network stability, and Quality of Service (QoS) configurations. Working with a reputable provider with a robust network infrastructure is key to ensuring high-quality calls.
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