Digital Voice
Our Sigma platform provides the latest features and benefits to streamline your communication and boost productivity

Sigma. Our class-leading integrated telecoms system
Introducing Sigma, our class-leading hosted Digital Voice VoIP solution for businesses – the ultimate business communication tool. With our solution, we guarantee seamless communication, easy setup, and fanatical support, all at an unbeatable price.


Sigma. Our class-leading integrated telecoms system
Introducing Sigma, our class-leading hosted VoIP solution for businesses – the ultimate business communication tool. With our solution, we guarantee seamless communication, easy setup, and fanatical support, all at an unbeatable price.

Our hosted VoIP Solution
Our Sigma Digital Voice hosted VoIP solution is built on cutting-edge technology that boasts exceptional features ideal for businesses of any size and industry. Whether you’re running a small start-up or a large enterprise, our solution is designed to meet your communication needs.
Our hosted VoIP solution comes with a host of features that will transform how you communicate in your business. These include, but are not limited to:
- Seamless call quality
- Call recording
- Voicemail to email
- Conference calling
- Secure calls TLS & SRTP
- Caller ID
- Call waiting
- Auto-attendant
Experienced specialists
Our team of experienced specialists offers unparalleled expertise in the field, delivering comprehensive solutions tailored to meet the unique challenges of the telecommunications industry.
Integrated software
The Sigma platform integrates with programs designed to enhance communication and streamline operations, incorporating advanced features and intuitive interfaces to meet the evolving needs of businesses and individuals in the digital era.
Affordable flat-rate pricing
Spoke offers affordable flat-rate pricing, ensuring transparent and predictable costs for your business. With no hidden fees or surprises, enjoy peace of mind knowing you can stay connected without breaking the bank.
Fully featured
Sigma Digital Voice
Per seat for a fixed monthly price, rolling 30-day contract
£11.99
+VAT per month
What’s included
- Free number porting - keep your numbers
- Unlimited UK national and mobile calls
- Call recording
- Call queues and IVRs
- Call forwarding
- Self-help online portal
- Fair use policy and Ts&Cs apply
Fully featued
Simple pricing
We don’t believe in catching our customers out or hiding costs. Our standard Sigma hosted VoIP package comes fully-featured at a fixed, predictable monthly cost. And no contract.

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