Panasonic KX-TD500 System Reference Manual page 626

Operation-2 (Mode 3)
While having a conversation;
1. Press the switchhook for
approximately one half second
and release it.
• The other party is placed on
Consultation Hold.
• You hear confirmation tone 2
and then dial tone 1, 3, or 4.
2. Dial the feature number for
selecting a CO line.
• You hear dial tone 1.
3. Dial the telephone number of the
outside party.
• You hear ringback tone.
4. After the destination answers,
make an announcement.
5. Replace the handset.
• The call is transferred to the
destination.
(Supplement)
• If an extension that cannot execute this
function (by the restriction of COS) attempts to
do this procedure, the system sends
consultation hold recall to the extension after
step 5 and the transfer is rejected.
• If you want to return to the held party, press the
switchhook for approximately one half second
and release before the destination answers.
5-D-8