Global VoIP & SIP Trunking

Worldwide calling on one reliable VoIP platform

Via our Global Connectivity portfolio we build a worldwide VoIP infrastructure (SIP trunking) that works with all your favorite cloud apps and your existing PBX.

Why choose Momentum

Purpose-built for business communications

  • One global telephony solution

    Unify all your communication platforms under one contract with seamless routing and no usage fees. Scale effortlessly without extra hardware or investment.

  • Global coverage, local compliance

    Stay compliant in every country with a carrier-neutral VoIP solution that combines multiple tier-1 providers for reliable service worldwide.

  • Maximum uptime, no surprises

    Benefit from availability up to 99.999%, built-in fraud detection and continuous updates - all without additional licensing or support fees.

Professional on call with laptop - Global VoIP international calling worldwide

Trusted by 18,000+ locations globally

  • Batenburg
  • C. Steinweg Group
  • Caldic
  • Cofra
  • Essity
  • L&H Group

What Momentum delivers

Global VoIP with everything modern organizations need

  • One telephony environment

    All telephony infrastructure inside and outside the organization combined into one environment for every employee.

  • Cloud app integration

    One environment that works with all your favorite cloud applications like Microsoft Teams, Salesforce, RingCentral, and other UCaaS platforms.

  • Keep existing functionality

    Seamless integration with existing systems like service desk, contact center, or local PBX for a smooth, phased migration.

  • Worldwide phone numbers

    Optimal reachability with globally available numbers: geographic, local, toll-free, or paid service numbers in 70+ countries.

  • Worldwide emergency calling

    Guaranteed 911/112 reachability for emergencies in most countries - rely on fast, efficient communication wherever your business operates.

  • Flexible and cost-effective

    Call from anywhere with predictable costs thanks to smart routing and custom plans per user or location.

Breathe new life into your existing PBX infrastructure

Create a scalable, easy-to-manage communications network with our flexible SIP trunking service. Momentum delivers a digital service that supports all your network-routing needs, including:

  • Multi-site installations supporting both regional and worldwide growth
  • Compatibility with Momentum Cloud Voice for extended calling
  • Leverage existing infrastructure to make upgrades unnecessary
  • Custom routing to support your call flow and network needs
Professional on international call - Global VoIP worldwide calling in one platform

Your partner in worldwide business communications

A carrier-neutral VoIP provider with tier-1 partnerships and decades of experience in international telephony.

  • 70+ countries with local SIP numbers
  • 99.999% platform availability

Future-proof your PBX

Extend your business phone system with a scalable SIP trunk and access a diverse offering of additional communication and connectivity services.

Connect with us

FAQ

Global VoIP - 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. It replaces traditional telephone lines by connecting a company's PBX to the 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 SIP trunking?
    SIP trunking offers cost savings, scalability, flexibility, improved call quality, and integration with other communication platforms such as Teams and RingCentral.
  • How does SIP trunking handle emergency calls?
    SIP trunking providers route emergency calls to the appropriate Public Safety Answering Point based on the caller's registered location. Keep location information updated with your provider.
  • Is SIP trunking secure?
    Security depends on implementation. Using recognized encryption protocols, secure networks, and working with reputable providers enhances 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 configurations. A reputable provider with robust network infrastructure is key to ensuring high-quality calls.
Knowledge base

Discover our related resources

Testimonials

Hear from our customers

  • With SIP trunking via Momentum we cut our international calling costs by more than 40%, and our PBX stayed in place. No rip-and-replace, just benefit.

    Marja de Vries

    IT Director

  • One telecom provider, one dashboard, one invoice. Three operators reduced to Momentum and the visibility on costs and usage is unprecedented.

    Bart Roosens

    IT Manager

  • Carrier-neutral routing made the difference during a tier-1 provider outage. Our calls kept flowing because Momentum switched over automatically.

    Jeroen Mulder

    Compliance Officer