Manage all your numbers from order to cease through one centralised portal.

Available across 23 countries in 3 continents, 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 in line with dynamic business demands.

You can take full control of your voice services via the Voice On Demand Portal, that allows you to select country, number type, number range and quantity for fast and simple ordering, supported by intuitive filtering options, no paper forms required.

  • Minimise time-to-market by ordering Service Access Numbers in a few clicks
  • Quickly and simply expand to new countries with regulation compliant voice services across 23 countries in 3 continents
  • Simplify operations by managing all numbers and value added services internationally through one centralised account
  • Reduce your admin costs and retain control by avoiding paperwork with online ordering, porting and cease

Launch new campaigns

Order new service access numbers online with near-real-time delivery and launch new campaigns when your business demands it, with no need for advance planning.

New country, new subsidiary

Enter a new market in just a few clicks and get all regulatory compliance information by just looking it up on the Colt Voice On Demand Portal.

Reselling voice services

Keep your business agile, by easily keeping track of hundreds or thousands of numbers delivered to your customers and order more or cease any them with a few clicks.

Control, flexibility & local expertise

Introduce new Service Access Numbers in a few clicks, with automated process to implement complex routings online through visual scripts.

On Demand Services allow you to deal with unpredictable demand. Rely on a provider with network access capabilities up to 100G and as a Service pay as you go model.

When you need to comply with local regulations you need a best of breed supplier for regulatory compliant inbound & outbound voice across 23 countries in 3 continents, all managed through one centralised account.

Voice On Demand data sheet

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Case Study


Seamless transmission of digital content at one of the world’s largest film festivals.

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Meet Rachel, Digital Marketer

“Working at Colt has allowed me to develop new key skills and build up my confidence. It’s exciting to see the results from projects I have worked on and the impact it has the business. I have learnt a lot from the people around me which makes me so passionate about working here!”

Careers at Colt
We're very pleased with the customer service, infrastructure, and expertise of Colt, and we're moving our entire organizational structure to the cloud. Dedicated Cloud Access is the last piece of the puzzle and has enabled us to move completely off-premise. Stefan Truthaen
CEO, HP Berlin