Business Telephony

Proximus NXT has developed a real expertise in telephony and provides the best VoIP solutions, call management offers and even the integration of telephony in your applications, via modern pricing models. For you, this means unbeatable service for your customers.

Our solutions Business Telephony
Fixed telephony

Fixed telephony is still alive and kicking!  Contacts with your partners and employees remain at the heart of your concerns, requiring a direct  communication channel to maintain human relations.

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Fixed-Mobile convergence

Fixed- mobile convergence (FMC) is the major challenge of the years to come. More and more collaboration tools are being used in companies. When you are travelling, your means of communication are far too often limited to the simplest channels.

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SIP Trunk

Fixed telephony is facing radical transformation as more and more calls in the world are being carried over IP networks. Voice over IP (or VoIP) is therefore becoming the most common way for businesses to manage fixed telephony as an application on the IP network, just like email. 

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Telephony equipment

Even today, fixed telephony is one of the most important tools of your staff’s work environment. Moreover, your telephone set-up is like a showcase, projecting an image of your company in the minds of your customers – an undeletable “first impression”.

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U-call

Take care of your reception by choosing a switchboard. With Telindus U-call, offer your customers a professional reception. This cloud-hosted telephony solution allows you to benefit from centralized communications and simplified management of your telephone infrastructure. 

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Fixed telephony

Fixed telephony is still alive and kicking!  Contacts with your partners and employees remain at the heart of your concerns, requiring a direct  communication channel to maintain human relations.

Learn more
SIP Trunk

Fixed telephony is facing radical transformation as more and more calls in the world are being carried over IP networks. Voice over IP (or VoIP) is therefore becoming the most common way for businesses to manage fixed telephony as an application on the IP network, just like email. 

Learn more
U-call

Take care of your reception by choosing a switchboard. With Telindus U-call, offer your customers a professional reception. This cloud-hosted telephony solution allows you to benefit from centralized communications and simplified management of your telephone infrastructure. 

Learn more
Fixed-Mobile convergence

Fixed- mobile convergence (FMC) is the major challenge of the years to come. More and more collaboration tools are being used in companies. When you are travelling, your means of communication are far too often limited to the simplest channels.

Learn more
Telephony equipment

Even today, fixed telephony is one of the most important tools of your staff’s work environment. Moreover, your telephone set-up is like a showcase, projecting an image of your company in the minds of your customers – an undeletable “first impression”.

Learn more
FAQ – Business Telephony in Luxembourg

To choose the right telephony plan in Luxembourg for your business, it's important to consider several key factors:

The size of your company and the number of users to connect.

The working model (on-site, remote work, mobility).

Specific use cases (local calls, international calls, integration with other tools).

Compatibility with your existing network infrastructure.

Available budget and total costs (equipment, subscriptions, maintenance).

A comprehensive analysis of these elements will help you select an efficient, scalable solution that fits your business objectives in Luxembourg.

Cloud telephony is now a highly beneficial option for companies looking for a modern telephony solution in Luxembourg. It offers great flexibility, allowing users to access business communications from anywhere. Costs are controlled, as it eliminates the need for heavy investments in equipment. Additionally, data security is ensured through certified data centers that comply with Luxembourg regulations.

Integrating business telephony with collaborative tools such as Microsoft Teams or Cisco Webex is a major advantage for improving both internal and external communication. In a modern Luxembourg telephony strategy, it's common to connect business phone systems directly to these platforms using unified communication solutions. This allows users to make calls, host meetings, and manage contacts all from a single interface, enhancing productivity and the overall user experience.

In a Luxembourg telephony project, installation or migration timelines can vary depending on the complexity of the chosen system. A simple cloud solution can be up and running in just a few days. For more complex deployments, especially across multiple sites, expect a timeline of two to six weeks. A well-prepared process—including technical audits, number portability planning, and user training—ensures a smooth transition to the new system.

Voice over IP (VoIP) is a reliable and secure solution for businesses in Luxembourg, provided that cybersecurity best practices are applied. Encrypting communications, implementing strong user authentication, network segmentation, and regular updates are essential for protecting sensitive data. In the context of Luxembourg telephony, it's crucial to work with a trusted provider who complies with European data protection standards such as GDPR.