Communications Services

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Calling services

Colt Voice portfolio delivers reliable and affordable carrier and enterprise business grade services to enterprises.

Business Phone Numbers

Business phone numbers

Our inbound phone number solutions include toll-free, geographic, premium rate + shared cost numbers.

BYOC

SIP trunking

SIP Trunking solutions simplify all your telecommunications into a single IP network.

ISDN Voice

ISDN services

We support all of your connectivity requirements from standalone connections to voice-data converged over Colt’s Internet access or private IP networks.

Contact centres

Colt’s contact centre solutions offer an easy way to integrate workforces and equipment. With 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.

CCaaS-icon

Contact centres as a service (CCaaS)

Easy to deploy omni-channel solutions to build meaningful customer relationships, with a remote workforce.

Contact centre solutions

Contact centre solutions

Serve your customers better while improving cost effectiveness.

Unified Communications

Flexible, scalable, fully managed end-to-end solution as a service.

Intelligent Communications

Intelligent Communications

Colt Intelligent Communications brings together the power of Microsoft’s cloud productivity applications with enterprise communication tools.

Cloud SBC

Cloud SBC

Colt Cloud SBC provides a rapid full cloud solution for Direct Routing, avoiding any on-premise equipment and provisioning remotely within days.

Wholesale voice services

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

White label solutions

White label VoIP services + voice reseller solutions

Become a Colt reseller of VoIP and Voice services with our white label business services.

Number hosting

Number hosting

VoIP reseller services enables you to build and sell your own VoIP services under your own brand with minimum effort and low risk – with full regulatory compliance.

IN over VoIP

IN over carrier VoIP

Colt IN over Carrier VoIP addresses the needs of Service Providers looking for dial-in numbers for their call centres and conferencing services in Europe.