Nortel Companion MICS-XC Installation Manual page 91

For the steps involved in operating a Norstar Companion
portable, see the Companion Portable Telephone User Guide
that is supplied with the portable.
When you distribute the portables, tell the users that the
portables are registered and give them the corresponding
extension numbers.
Tip -
system. You cannot register a portable to more than one
extension number per system. You cannot register more
than one portable to one extension number.
If a portable telephone is used in more than one Norstar
or Companion system, its owner must know which
registration slot number was used to register the portable
telephone with each system. (It is preferable that each
user register the system they use most in slot 1.)
If a portable telephone is lost or broken, you can
deregister it from the system before replacing it with
another portable telephone.
P0881594 Issue 01
You can register a portable to more than one
Registering individual portables / 85
MICS-XC Norstar-Companion Installer Guide