Hosted in Dusseldorf, Germany


  • OS: Debian 11 64
  • CPU: 4 Core
  • 8GB RAM
  • 50GB NVMe
  • Low latency Corporate LAN
  • Enhanced server monitor (Off Grid)
  • 99.9% Uptime builder
  • Genuine IPSC2 Licence (IPSC2-FreeSTAR ver C.01.12


  • DMR Master Server
  • Connection to bMaster+ IPSC2 Network
  • Motorola Support
  • Hytera Support
  • MMDVM Support
  • DMO / Hotspot Support
  • Private calling

What is IPSC2?

IPSC2 is an independent DMR Master Server connected to the worldwide DMR+ (bMaster+) system. It is often considered the “New DMRplus” network. The IPSC2 system is developed by radio amateurs and offers unique features & connectivity with its IPSC2 servers and bMaster+ worldwide networks. The IPSC2 network is designed for independent DMR networks, with numerous innovative futures connected by bMaster+.

Independence, flexibility & stability are clearly recognizable for user’s & sysops of IPSC2. The stability of the IPSC2 network is an integral part that shapes the community of the global IPSC2 network.

How to connect.




  1. Navigate to your Pi-Star dashboard.
  2. Click “Configuration”. You may need to enter the username and password, default “pi-star”, “raspberry”.
  3. Click “Update” in the navigation bar.
  4. Once update has finihsed, navigate back to “Configuration”.
  5. Scroll down to “DMR Configuration”
  6. Select the “DMR Master” drop down list and look for “DMR+_IPSC2-FreeSTAR”.
  7. Click “Apply Changes”
  8. (Optional) After applying changes scroll back down to DMR Configuration to add static talkgroups in the “DMR Options” field, for example; TS1_1=235;TS1_2=325;TS2_1=2350;
  9. Click “Apply Changes”.

For more information on DMR Options and what they do, click here.




Worldwide talkgroups via bMaster+. These talkgroups can be accessed worldwide from any IPSC2 server. Some talkgroups are connected to the DMR+, DMR MARC system and other systems such as BrandMeister.

Click here to download or view in PDF format.


National talkgroups are specific to the UK & Ireland. These talkgroups can be accessed direct from the server and its participating interlinks and OpenBridge’s.

Click here to download or view in PDF format.


Regional / Special.

Regional talkgroups are specific to the UK only and are shared via the Phoenix UK network. Special talkgroups are talkgroups which are; experimental, club or special event. You may find that some special talkgroups are worldwide and linked to various other networks such as System X.

Click here to download or view in PDF format.


Reflectors are “Rooms” that have been mapped to a talkgroup. These are shared worlwide accross the bMaster+ IPSC2 network. Please use TG 9 for reflector use.

Click here to download or view in PDF format.

Talkgroup List.