SIP Trunk - Bring Your Own Phone System

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.

Transition from legacy ISDN PRI trunks to modern SIP trunking with ease. Mixvoip offers a variety of gateways to ensure compatibility with older systems, facilitating a smooth upgrade to more advanced, cloud-based solutions.

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.

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.

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.

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.

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.

Mixvoip's SIP trunking services are rigorously compliant with international telecommunications regulations, ensuring reliable and secure operations across multiple countries. We are fully regulated by national authorities including ILR in Luxembourg, BNetzA in Germany, ARCEP in France, IBPT in Belgium, CNMC in Spain, RTR in Austria, ANACOM in Portugal, TRAFICOM in Finland and BAKOM in Switzerland. This adherence to standards guarantees that our services meet all legal requirements, providing a solid foundation for your business communications. This compliance not only enhances security but also affirms our commitment to providing dependable and lawful services in each region we operate.