SIP Trunk Luxembourg
Mixvoip is one of the most experienced SIP trunk providers in Luxembourg, trusted by local and international businesses since 2008. With deep market integration, extensive interoperability, and proven reliability, our SIP trunking solutions are built for companies that need stable, high-quality voice services.
Why choose Mixvoip for SIP trunking in Luxembourg?
- Over 15 years of experience
Operating since 2008, we have a long-standing presence in the Luxembourg telecom market.
- Second-largest fixed-line operator
According to official data from the national telecom regulator, Mixvoip holds the second-largest market share in Luxembourg for fixed voice traffic.
- Direct interconnects with national operators
We maintain direct SIP interconnections with all major telecom providers in Luxembourg. This reduces call latency, avoids unnecessary transit paths, and speeds up call setup.
- Global carrier-grade connectivity
Our SIP platform is connected to multiple international number wholesalers, enabling global reach and high-quality termination routes.
- Regulated in 20+ countries
Mixvoip is officially regulated in over 20 countries, making us a reliable partner for multinational companies with a presence in Luxembourg.
- Local partner for international telcos
Several major international telecom providers use Mixvoip’s infrastructure to deliver services in Luxembourg to their global clients. We operate behind the scenes, ensuring technical stability.
Feature highlights
Great compatibility and dedicated support
Mixvoip supports every phone system that uses the SIP protocol, ensuring compatibility with all modern PBX systems. Through the Mixvoip Certification program, we guarantee setup, support and ongoing functionality. Our rigorous certification process ensure your business communications run smoothly. See our certified list of certified PBX brands.
FMC - Fixed Mobile Convergence
Use your fixed office number on your mobile. Our SIM cards let you display your SIP trunk number with or without extension directly from your mobile device.
Connecting at a fraction of the traditional cost
Our SIP trunking solutions start from one channel and can scale up to hundreds, making it suitable for businesses of all sizes. This flexible scaling allows your system to grow with your needs without extensive initial costs. Our competitive call rates significantly reduce your phone bills, providing cost-effective communication solutions.
Backup trunk provider
Even if you’re currently under contract with another provider, you can use Mixvoip's SIP Trunking as a backup or overflow solution. This ensures that you can maintain service continuity and manage call costs effectively when your primary provider is unavailable.
Free calls between your sites and Mixvoip customers
Enjoy free calls between multiple sites, trunks, and phone systems within your organization and with other Mixvoip customers. This feature helps to further reduce costs and simplifies internal communications across your operations.
Global reach with local presence
Mixvoip's SIP trunking services offer extensive international phone number coverage, allowing businesses to establish a local presence in numerous countries around the world. We provide local, national, and toll-free numbers across various markets, ensuring that your business can operate globally while maintaining a local touch.
Integration with Microsoft Teams via Direct Routing
Mixvoip SIP trunks are fully Microsoft Teams compatible via Microsofts Direct Routing capabilities. This integration ensures that users can make and receive calls on Teams using standard office numbers. This setup is ideal for organizations looking to extend the functionality of their Microsoft Teams platform by integrating external calling capabilities.
SIP trunk pricing in Luxembourg
For detailed information about channel and monthly pricing, visit our SIP trunk pricing page.
To view call rates for national and international destinations, see our call rates page.
SIP trunk features
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CLIP No Screening
Allows the display of any outgoing phone number on recipients' caller ID
CLIP No Screening provides the flexibility to present any caller ID on outbound calls, regardless of whether the number is directly associated with your SIP trunk. This feature is particularly useful for businesses managing multiple brands or departments, allowing them to maintain consistent branding across communications without needing multiple trunks.
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Number portability
Retain phone numbers when switching service providers
Number portability allows businesses to keep their existing phone numbers when switching to Mixvoip’s SIP services, eliminating the hassle and confusion associated with changing contact details. (** not available in all countries)
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Emergency calling 911/112
Support for emergency calls to ensure safety and compliance
This feature enables direct dialing to emergency services such as 911 or 112, which is crucial for safety and regulatory compliance. It ensures that employees can quickly reach help in an emergency, making it an essential component of any business communication system. (** not available in all countries)
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Call forking
Simultaneous call routing to multiple trunks or phone systems for efficient call distribution and failover
Call forking on the SIP trunk level allows calls to be routed in parallel to multiple destinations, such as different trunks or phone systems. This feature is particularly useful for distributing incoming calls across various locations or ensuring communication continuity if a primary site or PBX fails. It enhances reliability and ensures optimal call handling during critical scenarios.
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Failover call routing
Automatically reroute calls to alternate numbers or trunks during outages
Failover routing is critical for business continuity. This feature automatically redirects calls to a predetermined backup number or SIP trunks if the primary line fails, ensuring that services remain uninterrupted during outages and emergencies.
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Call Detail Records (CDR)
Access and manage call logs through a web interface or automate data retrieval with an API
This integrated approach to managing call detail records combines the convenience of a web interface for manual access and monitoring with the efficiency of an API for automated data extraction.
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Number redirection
Easily manage call redirects using a user-friendly web interface
This feature allows you to quickly redirect incoming calls to different numbers through an intuitive web interface. It's ideal for managing call flows during unexpected events, ensuring that no important calls are missed.
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Anti-fraud protection
Prevent unauthorized call charges to keep invoices accurate
Our anti-fraud feature blocks unauthorized calls, particularly from individuals not at registered locations, ensuring no such charges appear on your invoices. We absorb any risks from potential security breaches, maintaining the integrity of your billing.
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TLS Encryption
Secures SIP signaling with Transport Layer Security (TLS) encryption
TLS encryption enhances the security of your communications by encrypting SIP signaling pathways. This prevents eavesdropping and tampering with the data as it travels over the internet, ensuring that voice communications are securely transmitted. It is essential for maintaining confidentiality and compliance with privacy regulations
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Username and password authentication
Identifies systems using standard username and password credentials
By using username and password identification, this method ensures that each PBX or trunk connection is recognized and linked to its specific user credentials.
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IP Address authentication
Utilizes IP addresses to identify and verify the correct PBX and trunk
This feature uses IP address identification to ensure that incoming connections are accurately associated with the correct PBX systems and SIP trunks.
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Fax to mail and mail to fax
Convert faxes between email and traditional fax formats
As fax usage declines, our service provides backward compatibility by converting emails to faxes and faxes to emails. This feature ensures that businesses can maintain communication with entities that still rely on traditional fax technology.
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TLDR: SIP trunk solutions in Luxembourg
- Company background: Mixvoip is the second-largest fixed-line operator in Luxembourg with over 15 years of experience (since 2008)
- Technical advantages: Direct interconnects with national operators, global carrier-grade connectivity, regulated in 20+ countries
- Key features:
- Compatible with all modern PBX systems through Mixvoip Certification program
- Fixed Mobile Convergence (FMC) allowing office numbers on mobile devices
- Free calls between sites and other Mixvoip customers
- Global phone number coverage for international presence
- Microsoft Teams integration via Direct Routing
- Flexible scaling from one channel to hundreds
- Can serve as backup trunk provider alongside existing contracts
- Pricing: Available on separate pages for SIP trunk pricing and call rates
Updated on 2025-10-22