Voice Services
Products & Services
Colt has a wide portfolio of business phone lines & systems with a broad international coverage now extended to 29 countries in Europe, Asia, Australia, and North America.
SIP/ISDN services
Colt Voice portfolio delivers reliable and affordable carrier and enterprise business grade services to enterprises.
Unified communications
Colt provides flexible and scalable unified communications solutions as a service, fully managed end-to-end.
IN Services
Colt Intelligent Network (IN) Services is a managed portfolio of inbound voice services that provide our customer’s callers with an improved user experience, whilst maximising the performance of the customer’s call centre.
| Business phone numbers
| Contact centre solutions
| Voice On Demand
Contact centre as a service
Easy to deploy omni-channel solutions to build meaningful customer relationships, with a remote workforce.
Service provider solutions
A portfolio of comprehensive Wholesale VoIP propositions addressing the needs of Carriers, Resellers and Service Providers.
| White label solutions
| Number hosting
| IN over Carrier VoIP
How Colt solves the challenges of providing international voice services:
Your one-stop shop
It's difficult to work with multiple providers across your countries, so Colt is your one-stop-shop for your global voice needs
Full regulatory compliance
We offer full regulatory compliance across all our geographic regions, saving you time and complexity
Quick time to market
React to changing demands with ease - add new telephone numbers to your service in just 3 days
Extensive coverage
We can support your expansion with developed markets across 4 continents & 29 countries.