Bosch Integral TH13 Operating Instructions Manual page 111

Refer–back not possible
You cannot establish a refer–back for the ongoing connection.
R
Symbol for an additional connection established as a refer–back. You can
toggle to this call.
Switching into the group line not possible
A hunt group has not been set up in the system. Consult your BOSCH
TELECOM Service representative, if necessary.
Telephone out of operation during servicing
The data of your telephone is being saved or some other maintenance task
is being performed.
The call is being transferred
You have transferred a call. Your own line will be free again afterwards.
Transferring charges not possible
The transmission of charge information in the system has been deacti-
vated.
User not registered
The "Trap" function has not been enabled in the system for your phone.
Waiting
The party you are connected with is currently talking to someone else, but
you are still connected to this party.
Warning! Only 9 entries can be added to the telephone book.
Indicates that the telephone book is almost full.
Wrong entry
The desired entry is not possible. Please check whether you have entered
everything correctly.
If in doubt, look it up
Display messages A
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