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Business Voice Products

Microsoft
Operator Connect
Seamless Voice Calling Anywhere on Teams
Microsoft
Operator Connect
Cristal
Voice
High volume calls with low cost and pay-as-you-go
Cristal
Voice
Business
Uncapped Voice
Unlimited Calls, One Predictable Monthly Fee
Business
Uncapped Voice
Wholesale
Voice
High-Quality Voice, Competitive Rates
Wholesale
Voice
Azure
Services
Custom Voice, Video &
Chat Made Easy
Azure
Services
Microsoft Direct Routing
Flexible, Scalable Voice
for Teams
Microsoft Direct
Routing

Why Business Voice with Vox

Vox has the solution to meet your business requirements

Highest Quality Network

With an average MOS score of 4.3, you won’t find a higher quality network to connect you with your customers and partners.

Tailored Solutions

With offerings for one user to thousands of users, we build the best fit solutions to ensure cost efficiency, while being mindful of your existing investments and organisational priorities.

Highly Cost Efficient

High volumes of Voice traffic create economies of scale.  Benefit from our highly competitive rates whilst enjoying a high-quality calling experience.

Fully Redundant Network

All of Vox’s PoPs (Points of Presence), established in secure data centres across South Africa and in the UK, are connected via a Fibre backbone and have full redundancy from a failover and power perspective.

Cloud hosted

We host and manage all infrastructure so that you don’t need to worry about how to run your business when the lights go out.

24/7/365 Support and Fraud Monitoring

Rest assured that we have you covered around the clock every day of the year.

Discover our Business Voice Services

By partnering with Vox, you are assured of a tailored Voice and Unified Communication solution that meets your specific needs and your budget.  The technology fades to the background, allowing you to focus on your business drivers and user experiences.

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Microsoft Operator Connect

Maximise the Return on Your Teams Investment

Operator Connect is the simplest way to enable Teams calling with fast, simple allocation of numbers and calling plans to any Teams user within your organisation.

  • Unrivalled call quality – supporting a truly hybrid work environment
  • Your choice of Unlimited or Post-Paid Voice packages, tailored to your needs, with up to 60% Voice cost savings
  • Get new numbers or port your existing numbers to the Vox Network
  • Microsoft licensing advice to maximise your return
  • Managed Services and tools for complete peace of mind
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Cristal Voice

High Volume, Low Cost, Post-Paid Voice Plans that Will Save You Money

Whether your organisation makes large volumes of outbound calls or if you only want to pay for what you use, then Vox’s Rated Voice plans are what you are looking for.

  • Highly competitive rates that match your traffic volumes
  • Save up to 60% of your current Voice bill when switching to Vox’s Cristal rate plans
  • Port any existing number for minimal disruption while you switch and save
  • 24/7 fraud monitoring to safeguard your business while you sleep
  • 24/7/365 specialist support
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Business Uncapped Voice

Want a Predictable, Low Phone Bill Every Month?

Does your organisation employ 50 people or less? Maybe a fixed monthly fee for unlimited voice calls is what you need.

  • We pioneered Uncapped Business Calling in South Africa and have perfected it over time
  • From as little as R399.00 per month (VAT incl) you can talk as much as you like on up to 6 simultaneous calls
  • Unrivalled call quality – at a fixed monthly rate
  • Get new numbers or port your existing numbers to the Vox Network
  • No bill shock at the end of the month, just unlimited talk time all month long
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Wholesale Voice

Build your Business on Vox’s World Class Quality Network

Use our low latency, highly redundant network to deliver high quality Voice solutions to your customers. With highly competitive rates aligned with your traffic volumes, you can maximise our direct interconnection with all major local networks and our international routes to London and the rest of the world.

  • Aggressive rates that match your traffic volumes
  • Low billing monitoring to help you retain and grow your base
  • If you need a complete platform solution to create retail, enterprise, SME, and wholesale services on a single integrated software and billing platform, we’ve got what you need
  • And if you only need a trunk and numbers, no problem!
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Transform your business communications with ACS

Azure Communication Services

Unlock innovation with Azure Communication Services (ACS), Microsoft’s PaaS for embedding voice, video, and chat into custom apps.

Extend Teams Phone beyond PBX with AI-powered interactions, CRM integrations, and seamless interoperability—without replacing your core systems. Vox simplifies ACS for contact centres, mobile workflows, and more with flexible pricing and low-code APIs.

  • Custom App Integration: Embed voice in Dynamics, Salesforce, or bespoke platforms with smooth Teams handoffs.
  • AI-Powered Engagement: Real-time transcription, call recording, and Copilot summaries enhance customer insights.
  • Omnichannel Media: High-quality video (720p+), SMS, and chat APIs across web, mobile, and desktop.
  • Scalable & Secure: Auto-scale with Azure security, E2EE, compliance, plus Vox fraud monitoring.
  • Hybrid Deployment: Combine with Operator Connect or Direct Routing for flexible UCaaS solutions.
  • Fast Development: Low-code APIs and Vox support enable rapid prototyping and quick go-live.
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Resilient, scalable Microsoft Teams voice solutions for complex environments

Microsoft Direct Routing

Empower your organisation with flexible, customisable voice connectivity via Microsoft Teams Direct Routing. Connect your existing SIP trunks or PBX systems through a Session Border Controller (SBC) for full control over call routing and media paths—ideal for businesses with legacy infrastructure or hybrid environments.

  • Advanced Call Routing & Failover: Customise routing with failover to ensure uninterrupted service.
  • Survivable Branch Appliance (SBA): Maintain local calling during internet outages—perfect for remote sites.
  • Legacy Endpoint Support: Integrate analogue phones, DECT systems, and SIP trunks without costly replacements.
  • Vox Expertise: Choose managed or on-premise SBCs for fast, tailored deployments.
  • Security & Compliance: End-to-end encryption, MFA, DLP, and audit logs for regulated sectors.
  • Cost-Effective Hybrid Models: Combine with Operator Connect for efficiency gains of 20–30%.

Value Added Service

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Vox Advanced SLA Portfolio

Concierge Support for Mission Critical Environments

Your ultimate shield for timely support and repairs. Just like comprehensive household insurance, our highest plan ensures extensive coverage when the unexpected strikes. Enjoy peace of mind knowing your business is protected, just like your home.

  • Rapid Response and Hardware Replacement Time Frames
  • Comprehensive & Timely Communication
  • Facilitation of Support Services & Incident Resolution
  • Escalation Management with Skilled Technical Engineers
  • Dedicated Service Delivery Managers
  • Advanced Service Performance Reports
  • Service Reviews
*Ts and Cs Apply
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Want more? Discover our home communication solutions

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Vobi Voice Calling

Reduce your Monthly Phone bill with the Vobi Mobile Voice App

Vobi is a mobile softphone, enabling you to receive and make calls from and to any number in the world over the Vox network, at significantly reduced rates.

Includes in-app free video and text messaging. You simply need a data connection (Wi-Fi or mobile data).

  • No contract
  • Unlimited calling for a fixed subscription, or
  • Pay as you go with a minimal monthly fee to connect you to the Vox Voice network
  • Call any number in the world
  • Calls to SA whilst travelling abroad at local SA rates
  • Special offers for Vox home fibre customers
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Supafone

Prefer a Separate handset for Your Family or Home Office?

Walk free, and talk cheap with the Supafone – a cordless phone with ‘super powers’. This precision-engineered device maximises your Home Fibre investment by carrying calls over your Vox fibre.

  • Buy or rent your Supafone today for untethered access to Vox’s high-quality, low cost Voice services
  • Unlimited calling for a fixed subscription, or
  • Pay as you go with highly reduced call rates
  • Exceptional indoor range while calling wherever you are in your home or small business
  • Calls to other Vox customers are free
  • Easy to install and effortless to maintain

Need help?

We will assist you with any questions you have on our Voice Services.

Call us on 087 805 0300 or leave your details here and we will call you straight away.

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