The goal of RadioID is to have a master listing so you can take a DMR radio anywhere in the world and it will work without ID conflicts.
Amateurs are increasingly bridging digital networks so it is important that no two users have the same ID.
CCS stands for Call Connection Service. The system was developed a few years ago as an
optimisation of the "G2 Call-sign Routing", which uses the Icom DSTAR systems for the targeted
self built repeaters, hotspots and private modems in one open network.
The first 3 digits of the Identifier follows the Mobile Country Code (MCC) numbering as defined in the
ITU-T Recommendation E.212.
This first digits of the MCC identify the geographical region or Continent:
North America and the Caribbean
Asia and the Middle East
South and Central America
The first 3 digits are the Mobile Country Codes (MCC), identify the Country.
Some examples are:
505 stands for Australia
232 for Austria
262 for Germany
After the Mobile Country Codes (MCC), amateur radio DMR networks append a 4-digit code for users and a 3-digit code for repeaters.