Mobile Voice services that make doing business even easier
Stay connected from anywhere. Our business mobile voice services combine resilient coverage, consistent user experience, and integration with your collaboration tools, so teams never miss a moment.
The challenge
Mobile communication is now core to enhancing the customer experience. But standard mobile contracts can’t guarantee call quality, policy control, or security. As teams work remotely, travel more, or split time between sites, relying on unmanaged voice services creates gaps in visibility and reliability.
The problem gets worse when voice isn’t integrated. Calls happen outside your UC platform, contact history gets lost, and mobile numbers become untrackable. Without a unified mobile voice strategy, businesses risk dropped calls, shadow IT, and poor service, especially at critical moments.
Our solution
We deliver business-grade mobile voice services built for today’s hybrid, mobile, and customer-facing teams. Whether as your primary calling solution or a seamless extension of your unified communications platform, our service gives you full control over voice wherever your people are.
Both traditional SIMs and eSIMs are available with 5G and 4G calling coverage, voice over LTE (VoLTE), and fixed mobile convergence features. Mobile numbers can be paired with desk phones, Microsoft Teams, or hosted UC platforms, so calls follow users across devices with one identity. With optional fixed IP, MDM integration, and policy enforcement, you gain full visibility over usage and security.
All services are backed by centralised management, flexible tariffs, and UK-based support, making it easier to equip mobile workers without compromising experience or oversight.
Seamlessly integrated
Your mobile voice solution works alongside Teams, UC platforms, and CRMs so calls are tracked, logged, and reportable.
Fully customised
Configure plans, policies, and profiles to match user roles, departments, and performance expectations.
Intelligently automated
Automatically route calls, sync caller ID, and apply usage policies to keep control without adding admin.
Expertly supported
Zero touch provisioning and templates let you add sites, users, and capacity without disruption for simple growth.
Who it’s for
Mobile-first teams needing voice services that match enterprise standards.
Hybrid workers who need a clearer, faster, and more productive call experience anywhere.
Businesses integrating mobile voice into their UC, CRM, or contact centre platforms.
Key benefits
Business SIMs with 4G/5G coverage, VoLTE, and multi-network options for strong signal everywhere.
Flexible business mobile plans to suit teams, usage profiles, or roaming needs.
Single number reach across mobile and desk devices for seamless calling.
Mobile voice integration with Teams, hosted UC, and on-prem platforms.
Fixed IP options for remote access and integration with mobile data services.
Policy control and reporting via centralised management platforms.
Broad network choice and bundled data plans for more predictable monthly costs.
Works well with
Explore complementary solutions that strengthen and extend your Customer Experience strategy:
Automated Customer Service
For intelligent automation that resolves routine queries through chatbots, voice AI, and self-service, improving speed and satisfaction.
Call Recording and Analytics
For capturing, storing, and analysing conversations to meet compliance requirements and improve performance through insight.
Cloud Security
For comprehensive protection of your cloud applications, workloads and data.
Unified Communications and Collaboration
For enabling seamless voice, video, and messaging, connecting teams and customers wherever they are, on any device.
Start your journey
Surface the easy wins that will make interactions more memorable and give your customers the experience they expect.
Our FREE Customer Experience Audit provides a clear, actionable report with the insight and expert recommendations you need to decide where best to invest your time and resources to connect even deeper with your customers.

Our point of view
"Mobile voice is not a separate system held together by workarounds, it’s an extension of your wider communications strategy.
When done right, mobile calling becomes seamless, secure, and connected to everything else: Teams, CRM, analytics, and more. Which is why we help businesses take control of mobile communications, giving users the flexibility they expect and IT the control it needs with no trade-offs on quality or security."
How we deliver
Managed Services
Managing today
We take care of the platforms, infrastructure and services your business depends on so your teams can focus on growth, not firefighting. From basic coverage to enterprise-grade assurance, our Managed Services are designed to reduce risk, maintain availability and keep you moving forward.
Strategic Change
Building tomorrow
We deliver change with structure, clarity and confidence helping you reduce risk, increase value and modernise for the future. Our approach is built around real-world outcomes, not theoretical transformation.
The real FAQs for Mobile Voice
Mobile voice is easy to overlook but critical to get right. Below are the most common questions we hear from customers upgrading or integrating their mobile services.
What’s the difference between a business SIM and a standard one?
Business SIMs include policy controls, optional fixed IP, reporting tools, and better support, which are all critical aspects for compliance and integration.
Can mobile calls be routed through Microsoft Teams?
Yes. We support Direct Routing and Operator Connect to enable full mobile voice integration with Teams and other UC platforms.
What’s single number reach?
It lets users take calls on mobile, desk phone, or laptop, using the same business number with seamless call handoff.
Can we track mobile call usage?
Yes. We provide detailed usage reports, alerts, and policy enforcement tools via a centralised portal.
Is mobile voice secure?
We offer mobile voice over IP with private APNs, SIM-based access controls, and MDM compatibility, protecting both user data and call traffic.
Do you offer dual-SIM or multi-network options?
Yes. We offer eSIM, dual-network SIMs, and roaming profiles for users who need maximum coverage or travel frequently.
Can this replace our desk phones?
In many cases, yes. With the right device and UC integration, enterprise mobile services can become your primary voice channel.
How does this support CX?
It ensures calls are answered promptly, caller ID remains consistent, and conversations aren’t lost between channels or devices.
Is this compatible with call recording or analytics?
Yes. Mobile calls can be routed through systems that support compliant recording and post-call analytics.
Can you manage provisioning and support?
Yes. We handle ordering, activation, support, and policy management including porting existing numbers where needed.
Is 5G calling included?
Yes, 5G connectivity is supported where available and included in our standard mobile voice plans.
Do you offer flexible tariffs for different users?
Absolutely. Choose from shared bundles, per-user plans, roaming options, and custom tariffs based on your team structure.
Speak to an expert
Not sure where to start? Have a question we haven’t answered?
Our Customer Experience specialists are here to help.
Talk to us today and find out how we can take your customer interactions to the next level, surprising and delighting your growing customer base.
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Connect with Digital Space today
Explore how we can transform your business. Our tailored solutions have consistently delivered measurable results, helping customers overcome their challenges.


