End-To-End Dtmf Signaling (Tone Through) - Panasonic KX-TD500 User Manual

4.3 Station Features and Operation

End-to-End DTMF Signaling (Tone Through)

DTMF signaling is required for access to special network services offered by some
telephone companies. This system allows you to signal the other end using DTMF
tones during an established call.
End-to-End DTMF Signaling (1)
PT
During a call;
required code
Dial the required code.
• DTMF signal is sent to the other end
while dialing.
End-to-End DTMF Signaling (2) (When "Automatic Hold-All Calls" is enabled)
PT
During a call;
(Tone Through)
Press Tone Through
(flexible button).
Canceling End-to-End DTMF Signaling mode
PT
During a call;
(Tone Through)
Press Tone Through
(flexible button).
required code
Dial the required code.
• DTMF signal is sent to the other end
while dialing.
TRANSFER
or
Press TRANSFER.
• Tone Through mode is canceled.
HOLD
or
Press HOLD.
Station Features and Operation
E
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