Appendix C

Telephone base and handset display screen messages

Screen display messages

 

UNABLE TO CALL

Failed intercom or conference call

 

 

TRY AGAIN

(there are already two handsets

 

 

 

being used).

 

NOT AVAILABLE

Another system telephone is

 

AT THIS TIME

already using the directory or call

 

 

 

log.

 

 

 

 

 

MICROPHONE ON

Mute has just been turned off so

 

 

 

your voice is again being sent out.

 

 

 

 

INTERCOM TO:

You have started the intercom

 

 

 

process, and need to enter the

 

 

 

handset number you want to call.

 

 

 

 

 

INTERCOM ENDED

The intercom call has just been ended

 

 

 

by you or the receiver of the call.

 

 

 

 

 

 

CALLING

The handset is attempting to

 

 

HANDSET X

intercom with another handset.

 

 

 

 

 

 

CALLING BASE

The handset is attempting to

 

 

 

intercom with the telephone base.

 

 

 

 

 

TRANSFER TO:

You have started the call transfer

 

 

 

using intercom process, and need to

 

 

 

enter the handset number to which

 

 

 

you want to transfer the call.

CALL TRANSFERED You have transferred an outside call to another handset.

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AT&T TL74458, TL74308, TL74358, TL74408, TL 74208, TL74258 user manual Unable to Call