Inbound & Freephone

Products & Services

The ability to make quality calls to contact partners and suppliers is crucial for any company, but equally as important is the ability to give easy contact to their end clients to get in contact with them as a business.
Not sure what you need? Read our guide to inbound numbers to learn more.

Intelligent Communications

Inbound & Freephone

Service Access Numbers make your business more accessible across diverse markets and workforce. With Colt, you can collect calls from 28 countries.


Contact centre solutions

Colt IVR services and virtual call centres, you can move to a state-of-the-art contact centre quickly — at a price you can afford.


Voice On Demand

Available across 28 countries , Voice On Demand is available as part of the Colt IN Services and Contact Centre Services portfolio, enabling you to scale services up and down in near real time.

Colt offers a comprehensive range of customer contact services that include all kinds of access numbers (read our handy introduction guide here) – freephone numbers, premium rate numbers, share cost numbers and geographic numbers with flexible routing – and cloud based contact centre solutions such as Interactive Voice Response and other value added services that automate complex routing for calls. All these customer contact services are underpinned by Colt Voice On Demand portal, that provide the ability to order and activate number at the press of a button from one single account across all countries and makes it easy for global enterprises and service providers to establish a presence for client contact in new markets.

See how businesses are using Colt's cloud telephone systems
Cloud telephone systems case studies →

Colt's cloud telephone systems are available on a global network
Learn about the Colt IQ Network →

Want to learn more about our business phone lines & systems?
Check out the rest of the products below.

SIP Trunking / ISDN Services - Business Phone Services
Colt Voice portfolio delivers reliable and affordable carrier and enterprise business grade services to enterprises.

Cloud Telephony and Unified Communications Solutions
Colt Cloud UC is a flexible and scalable, fully managed, cloud-based one stop shop solution that comprises of IP Telephony and Unified Communications, provided to customers as a service.

Service Provider Solutions
A portfolio of comprehensive Wholesale VoIP propositions addressing the needs of Carriers, Resellers and Service Providers.

Colt Contact Centre as a Service (CCaaS) - in partnership with Atos and NICE inContact
Deploy an omni-channel, cloud contact centre solution to build meaningful customer relationships, with a remote workforce.

Contact us about Cloud Telephone Systems