Long before the switch-off of ISDN was announced by the major telecommunications companies in 2014, Colt introduced the financial services provider and long-standing customer to the then new digital IP telephony in innovation workshops. Thus, unlike many competitors, the company was prepared when the switchover finally became acute in 2018. In the tender that was…

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Colt helped partner Quendra to replace SD Worx´ WAN connectivity, ISDN and SIP trunking services – procured on a per-country basis – with unified, global network and SIP trunking solutions from a single provider. 

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For a geographically distributed company, whose core business is based on electronic purchases and effective customer service, the availability of a reliable and efficient telco infrastructure is the main mission-critical success factor. This is why lm group, one of the world’s leading online travel companies, chose Colt as its main operator to optimise its phone…

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BNZSA has consolidated its growth with Colt’s multi-country SIP Trunking and IP Access services. A major part of BNZSA’s business is telemarketing, and therefore having a reliable telecommunications provider is key for their plans for international expansion.

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Dialling into the future – How Bertelsmann is transforming digital collaboration with Colt’s SIP Trunking Services

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Arthur D. Little Japan selected Colt SIP Trunking for its voice services and Colt IP Access for the network. By choosing Colt, Arthur D. Little Japan only needs a single service provider to connect its network from its offices in Europe and Asia.

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 Consolidate and simplify your voice services while reducing costs. A single network and supplier means one, reduced, flat fee, with extra savings to be made by centralising the telephony network through consolidation of Local Area Codes. Using the ISDN Service in combination with Colt Business Internet Access can further decrease your costs and once you are…

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SIP Trunking Services Business Phone Services Home ❯ Colt IQ Network ❯ Voice ❯ SIP Trunking & ISDN Fully featured Colt SIP Trunking SIP Trunking simplifies your business telephony and saves you money. Pan-European businesses who want to optimise their voice infrastructure and better manage costs should consider Colt as a provider for SIP Trunking…

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Salesland banks on Colt for its switch to VoIP. Salesland focuses on supporting businesses that want to outsource their sales services…

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