atcomsystems.ca/forum Forums Other TDM Phone Systems Sprint - Tadiran Telephones & Systems Help Please Tadiran Coral or Coral I

Depending what you are doing and software level. This is a PBX and all non phone user programming (like buttons and some speed dial numbers) are done through the terminal. Those of course can be restricted through COS as well. Just depends on what you are trying to do. Once you log into the system it will give you the software level right away.