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Global Voice
Unify telephony and customer contact in Teams
Move to the modern workplace with Microsoft Teams as a full enterprise phone system, and connect your contact centre with Five9 and omnichannel routing. Momentum is a certified Operator Connect partner: we bring carrier-grade calling, AI routing, and global numbering directly into Teams.
Get modern telephony and customer contact without migration headaches
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One platform
Teams as a complete phone system - no more separate hardware, dashboards, or contracts.
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Global numbering
The Operator Connect partnership gives you access to local numbers in 70+ countries under a single SLA.
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Cloud-native contact centre
Five9 with AI routing, omnichannel, and compliance - scaling to hundreds of agents.
Trusted by 18,000+ locations globally
Why Momentum
Turn every call and customer interaction into a connection
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Global coverage via Operator Connect
Local numbers in 70+ countries with Microsoft certification, managed by Momentum.
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Fully integrated in Teams
Calling, meetings, and collaboration in one application - no separate device or softphone.
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Migration without downtime
Our Teams specialists plan every porting and number switch with zero-impact guarantee.
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AI routing & speech analytics
Route calls on intent and sentiment. Coach agents with real-time conversation intelligence.
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Omnichannel customer journey
Voice, chat, email, SMS, and social in one agent desktop. One customer history, all channels.
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Compliance & call recording
PCI-DSS, GDPR, and MiFID II compliant recording with automated redaction and retention.
Unify telephony and customer contact with success
Replace fragmented phone, meeting, and chat solutions with a single Teams environment, and fragmented customer contact tools with an AI-driven contact centre.
- Reduce the number of telecom vendors and contracts
- Migrate seamlessly from PBX to modern Teams telephony
- Deliver a consistent customer experience across every channel
- Accelerate resolution time with AI agent suggestions
Your partner in modern telephony and customer contact
A Microsoft Operator Connect partner and certified Five9 partner - from global number management to call flow design and AI rollout.
- 70+ countries with local numbers
- 150+ EMEA customers on Five9
- 99.99% uptime SLA
FAQ
Global Voice - frequently asked questions
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Can I keep my existing phone numbers?
Yes. Momentum handles porting of virtually all national and international numbers to Teams. Our specialists plan every port with minimal impact and test in advance in a staging environment. -
What about emergency calls from Teams?
The platform supports location detection for 112/911 routing in compliance with European and US legislation. A fixed referral address can be configured per user or location. -
What is a cloud contact centre?
A cloud contact centre (CCaaS) is a fully cloud-hosted environment for customer contact across multiple channels. No on-prem hardware, fast scaling up and down, and real-time AI features built in as standard. -
How does Five9 integrate with Microsoft Teams?
Five9 and Teams work together via a certified integration. Agents can accept and transfer calls from within Teams to back-office colleagues, while keeping Five9 routing and analytics intact. No app switching. -
How does GDPR work with call recording?
Our recording solution offers automatic detection and redaction of personal data (credit cards, SSNs, etc.), configurable retention periods, and role-based access to recordings. Fully compliant with GDPR, PCI-DSS, and MiFID II.
Testimonials
Hear from our customers
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The migration from our PBX to Teams via Operator Connect went so smoothly that our users only noticed when they received their new headset. Momentum's specialists thought through every detail.
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One telecom provider, one dashboard, one invoice. Three operators reduced to Momentum and the visibility on costs and usage is unprecedented.
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For our Five9 rollout, time was critical - we had to get 200 agents live in 6 weeks. Momentum's customer engagement team planned every phase and delivered on time, within budget, with zero hassle.
Discover our related resources
Discover an easier path to modern telephony and customer contact with Momentum
We help you chart a course through the Microsoft cloud world. From strategy to Five9 rollout and daily management: one team, one bill, one SLA for your complete telephony and customer contact.