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switchboard handset is lifted
CAUTION!
When the secondary switchboard and main
switchboard are communicating with each other,
calls cannot be transferred or put on hold.
U18 How to call a main switchboard from a
secondary switchboard (available from R.I.006)
main switchboard handset is lifted
call has not taken place correctly
ystem is busy
not exist
CAUTION!
When the secondary switchboard and main
switchboard are communicating with each other,
calls cannot be transferred or put on hold.
32
hang up
hang up
main switchboard does
U19 How to answer a call from the secondary
switchboard to the main switchboard (available
from R.I.006)
reject
CANC
answer
CAUTION!
If the switchboard is busy or the switchboard
operator is momentarily absent and cannot
answer within 30 seconds, the call will be added
to the log
hang up