Business Phone Solutions in Luxembourg

Business telephony in Luxembourg

Modernise your business telephony in Luxembourg with VoIP, Teams, Webex and SIP Trunk solutions.

Our Business Telephony Solutions

SIP Trunk | VoIP

SIP Trunk connects your phone system or IPBX to the VoIP network to optimize capacity, call management, and the performance of your business telephony.

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Cisco Webex Calling

Cisco Webex Calling centralizes your business calls and collaboration tools in a dedicated, secure cloud telephony solution designed for enterprises.

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Microsoft Teams

Microsoft Teams integrates your business telephony directly into Microsoft 365 to unify calls and collaboration within your secure work environment.

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ConnectedOffice

All-in-one solution combining secure business internet, enterprise Wi-Fi, IP telephony and network services to efficiently connect SMEs and their employees.

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Is Your Business Telephony Slowing Down Your Performance?

An outdated business telephony system can slow down communication, make collaboration across sites more difficult, and reduce the quality of service delivered to both your employees and your customers. In Luxembourg, many companies are now looking to replace an ageing phone system with a more flexible, integrated and efficient solution.

To address these challenges, DEEP deploys VoIP telephony, Microsoft Teams, Cisco Webex Calling and SIP Trunk solutions tailored to professional environments. The goal is clear: modernise your communications, improve the user experience and make your business telephony more reliable over the long term. With DEEP, you can:

Modernise your telephony without disrupting your business
Unify calls, collaboration and mobility in one environment
Secure and strengthen your business communications
Reduce complexity and optimise telephony costs
Benefit from local support in Luxembourg

Let’s discuss your needs Explore our blog articles

DEEP's 5G

Experience POST Luxembourg's 5G: ultra-fast mobile network, low latency, and unmatched connectivity. Enhanced digital experience and the best 5G coverage in Luxembourg!

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Published on

24 April 2025

Telecom Telephonie et collaboration

Four key questions about Teams Phone

Microsoft's collaboration platform Teams has become a part of everyday life for many employees in Luxembourg. However, not many know that you can integrate a company's telephone network into Teams. This feature brings all your communication channels onto one platform and offers greater flexibility to your employees.

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Published on

05 December 2023

Telecom Telephonie et collaboration

Five good reasons to rethink your business telephony

With the widespread shift to telework during lockdown, companies had no choice but to make the most of the technology available in order to maintain operations and continue to collaborate.

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Published on

27 July 2021

FAQ - Business Telephony

Choosing the right business telephony solution in Luxembourg depends on several factors, including the number of employees, multi-site organisation, mobility needs, existing collaboration tools and current infrastructure. A company may choose VoIP, Microsoft Teams, Cisco Webex Calling or SIP Trunk depending on its usage, digital maturity and communication modernisation goals.

VoIP telephony allows businesses to route calls over an IP network instead of traditional phone lines. It provides greater flexibility, better scalability, easier integration with digital tools and improved cost efficiency. For companies, VoIP also supports multi-site communication, employee mobility and the modernisation of business communications.

Yes, Microsoft Teams can replace a business phone system in many situations. When used as a telephony solution, Teams brings together calls, messaging, meetings and collaboration in one environment. It is particularly relevant for businesses already using Microsoft 365 and looking to simplify their business telephony.

Modernising your business telephony in Luxembourg helps improve communication quality, support hybrid work, simplify collaboration between sites and integrate digital tools more effectively. A modern business phone system also reduces technical complexity, improves reliability and better supports the evolving communication needs of companies.

DEEP stands out through an approach that combines telecom expertise, business telephony integration, local support in Luxembourg and the ability to connect telephony with other critical parts of the IT environment, including networks, connectivity, cloud solutions and collaboration tools. This end-to-end vision helps companies deploy a more consistent, reliable and scalable business communication solution.

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