Connect Cloud Voice with Colt

Colt voice services portfolio is fully cloud-enabled and delivers high availability SIP connectivity, ensuring an always-on service with both CSP & BYOC solutions.

MicrosoftTeams-image (64)

Your connection options explained

Colt´s High Availability SIP connectivity ensure always on service both with cloud service providers/OTT BYOC (Bring Your Own Carrier) solutions and to the customer premises.

Get an overview of Colt’s Voice and Collaboration portfolio

EXPLORE YOUR CONNECTIVITY OPTIONS

Cloud SIP (BYOC)

IP Access with Cloud prioritisation

Colt Cloud SIP (BYOC) is offering choice to customers about who maintains the delivery of SIP (outbound calling and number management) and IN (Inbound calling numbers and routing) services. Colt can connect to Microsoft, Google, Zoom, Genesys, Twilio, Cisco Webex and in fact anywhere on our global footprint where you need to activate voice for your users.

Colt BYOC works best when:

You want to move your phone system to Microsoft, Cisco Webex or Zoom or your contact centre to the cloud platforms of Genesys or Twilio and want to keep your voice contracts in place

You want your voice services delivered by experts such as Colt

You want fully integrated voice services across your UCaaS and CCaaS applications

Wholesale SIP

Colt Wholesale SIP is the one-stop shop for Carriers, Resellers and Service Providers supporting a quick market entry as you can ramp up business in a consistent and scalable way.

Wholesale SIP offers:

Numbers On Demand and APIs for a cost efficient and fully automated process.

Inbound & Freephone

Inbound and Freephone Numbers give you a non-geographic number, routing your customers to the right place, every time. Memorable, non-geo numbers allow you to re-route calls to the right department and divert calls automatically should a line be engaged.

Our Inbound Number solutions include:

Toll-free numbers: let your customers call you from any location with no additional charge

Geographic: provide local services by demonstrating your local presence, without taking full cost

Create a professional value-added service to earn revenue from your callers

SIP On Premises

On-Premises services is Colt’s answer to customers requiring a flexible and resilient solution while managing their own telephony infrastructure embedded in a Colt or third party’s IP network, with or without data & voice convergence.

Our On-Premises solutions include:

SIP Trunking solutions allowing you to simplify all your telecommunications into a single IP network. Number additions or porting requests can be ordered via Colt Online. A dedicated SIP Trunking service can be combined with your MS Teams SBCs or connect to another Cloud Service Provider (CSP).

IDSN over IP services supporting those customers managing PRIs with a TDM or hybrid PBX.

Still not sure?

Use our solution builder and request a callback from a solutions engineer.

Solution Builder- Voice updated 5th-04

Automate the everyday with Cloud Voice

In your future workplace, people will expect instant connections, a choice of how to communicate, and they will expect to spend less time on the mundane.

It’s time to automate the boring tasks and time-consuming parts of your business, to free up your workforce to spend time where they can add value.

Download our latest guide to discover how cloud voice can create a more productive, unified, and profitable workplace to carry you through the next decade.

Why choose Colt?

Governance Icon

A global presence

We are trusted by over 25k customers globally - including some of the world's largest businesses, 18/25 of the top banks and over 650 capital markets firms around the world.

IQ Network Page-Icons-03

Technology leaders

Our technology sets us apart. We were one of the first to roll-out on-demand provisioning, and continue to lead with API, SDN + Edge compute compatibility for our customers.

IQ Network Page-Icons-01

Spoilt for choice

Over 31,000 buildings have direct fibre connectivity to our network. We connect more data centres in Europe, USA and Asia than any other provider, so you won't have to compromise on security & convenience.

Join over 25k+ customers

client-logo-farfetch
client-logo-atos
client-logo-borse-stuttgart
client-logo-arthur-d-little
client-logo-hitachi
client-logo-tencent
client-logo-denphone
client-logo-forbes
client-logo-brussels-airlines
client-logo-berlinde

Still not sure?

We'll help you build a solution tailor-made for your specific cloud environment and networking needs.

With more connected data centres across Europe, USA & Asia than any other provider backed up with the carrier-grade Colt IQ Network, whatever you choose, you're in safe hands.

Network-Map-Jan-2024