Why and how to migrate from TDM/ISDN to VoIP in 2026

Major telecom operators are announcing the upcoming shutdown of the ISDN and PSTN networks. For Moroccan businesses, staying with these technologies means high costs, limited flexibility, and a risk of obsolescence. Switching to VoIP means choosing a reliable, cost-effective, and scalable IP calling system that can integrate unified communications and support remote work. Yeastar offers a complete range of solutions, from on-premises PBX systems to cloud services, to support your transition without interruption.

A wireless future

The end of PSTN/ISDN is forcing businesses to adopt an IP architecture. VoIP makes it possible to reduce call costs, unlock new features, and ensure the longevity of your communications system.

Keep your existing equipment

You can keep your analog or digital terminals thanks to Yeastar VoIP gateways. This lets you avoid investing in new equipment right away while benefiting from the advantages of IP.

Reduce telecom costs

Internal calls become free, and external calls are routed through low-cost SIP trunks. This translates into direct savings on your phone bill.

Unified communications and mobility

With the Linkus UC client, your employees can make and receive calls from their smartphone or workstation, wherever they are, ensuring operational continuity.

Simplified Management

An intuitive web interface lets your IT administrator configure, monitor, and troubleshoot the system in just a few clicks, eliminating the installation and maintenance costs associated with ISDN systems.

Advanced features

In addition to standard calls, your Yeastar PBX offers call recording, IVR, CRM integration, and many other options to boost your team’s efficiency.