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.
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
Trusted by 30,000+ locations globally
What Can Momentum Do?
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.
The Momentum Difference
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
WHY MOMENTUM
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. Experience the Momentum Difference firsthand.
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related products
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.
Teams Phone
Integrate enterprise-grade PBX functionality into Microsoft Teams with a direct connection to the PSTN.
Cloud Voice
Modernize your communications infrastructure with a feature-rich cloud solution.
Operator Connect
Transform Microsoft Teams into a full-featured business phone solution with simplified management.
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testimonials
Hear from our customers
“We have been impressed with the quality of Momentum’s people from initial sales call, the technicians
who handled the changeover, the team that trained us, and those that help with ongoing maintenance.”
Sandy Pagnotti
RMHC Baltimore“We chose Momentum's hosted solution for our phones. Their experienced team, flexible service, and competitive pricing ensured a smooth transition. They understand the importance of working with attorneys and minimizing downtime during migration.”
Jon Slaughter
Gordon Thomas Honeywell“Momentum's support keeps me coming back. I judge a company by its post-sale support. A simple call accesses unmatched assistance. They pinpointed our needs, ensured the right solution, and provided a seamless deployment.”
Jeff Perry
International Car Wash Group“Evergreen Hospital was a PRI user for years, but meeting Momentum made switching to SIP easy. The process was simple, painless, and pleasant, with the right technology and price. Momentum's expertise and experience back their solution.”
Shawn Shiroma
Evergreen Health“With our old system, it often took 2-4 weeks to implement a single new office. With the cloud infrastructure provided by Momentum, it takes us a fraction of the time. We also enjoy higher capacity, more granular reporting, and significantly better pricing.”
Jerry Maye
Smile Doctors“We've been with Momentum for over 6 years as SIP trunking customers. Their technical support is responsive and invested, with alerts that detect toll fraud and maintain 99% uptime. I highly recommend Momentum's service to any organization transitioning to SIP.”
Josh Gross
Ednetics“LCOG's telecom group chose Momentum unanimously after a thorough evaluation. Momentum exceeded our goals, delivering 97% savings in carrier costs and excellent service since day one. They've been an invaluable partner.”
Heidi Leyba
Lane Council of Governments“Momentum's Hosted PBX service exceeds our expectations with the features and web portal control we need. Combined with their excellent support and friendly approach, it reaffirms our solid choice for our 5 offices and 200+ employees.”
Phil Almonte
Brighton Jones Financial
FUTURE-PROOF YOUR PBX
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.