Panasonic KX-TD500 User Manual page 317

Executing
7433 / 7436
If you hear a busy tone after making an intercom call;
BSS
S2 S3
S1
Press BSS (S1).
7420 / 7425 / 7431 / 7433 / 7436
If you hear a busy tone after making an intercom call;
1
Dial 1.
Receiving a voice announcement
7420 / 7425 / 7431 / 7433 / 7436
If Whisper OHCA is activated by the other party when you are engaged in a call, you hear a
confirmation tone. Then you will be engaged in both calls with the current caller (two-
way) and the third party (one-way).
<PT Display Example>
The caller's extension number and name are shown on
the display for five seconds in 10 seconds intervals.
123:Tony
Caller's extension number
User Manual
Confirmation tone
Confirmation tone
Station Features and Operation (PT/SLT)
Wait for an
answer and talk.
Wait for an
answer and talk.
317