Panasonic KX-TD500 System Reference Manual page 744

4.00 Executive Busy Override
Description
Executive Busy Override allows the attendant to
intrude on a busy line, and then a 3-party
conversation is established. The feature is
accessed by dialing "1" while hearing busy tone.
In entering into a three-party conversation, all the
three parties hear confirmation tone.
It is programmable to send this tone or not by
"System-Operation", Beep Tone for Bsy-ovr/Brg-
in.
Programming
System Programming
"System-Operation (1/3)",
Beep Tone for Bsy-ovr/Brg-in
Conditions
Busy status means that all PDNs on the called
extension are in use. In this status, busy tone
sounds.
Executive Busy Override does not function when
the other party is any one of the following status;
• Three-party conversation
• OHCA conversation
• Private CO conversation
• In conversation with another attendant
console.
Executive Busy Override does not function if
either of two parties in conversation has set the
followings;
• Executive Busy Override Deny
(Refer to Section 4-D-5.00.)
• Data Line Security
(Refer to Section 4-I-6.00.)
Reference
VT Dumb
10-D-1.01 11-C-4.00
6-D-16
Operation
1. Dial the extension number.
• Busy tone sounds.
2. Dial "1".
• Overriding tone sounds at the
three parties. Start a three-
person conversation.
• In case overriding is
impossible, busy tone
continues.
(Supplement)
• To complete a three-person conversation after
overriding on the SRC side, press the
RELEASE key.
• To complete a three-person conversation after
overriding on the DES side party and holding a
party on SRC side, press the RELEASE key.
In this case, the held station on SRC side is
transferred. This is camp-on transfer.
<Example>
When answering an incoming CO call, dial the
extension number to transfer the call to the
extension.
(CO call is held on SRC side and busy tone
sounds on DES side), dialing "1" offers a three-
person conversation.
After informing the extension of transferring the
CO call, press the RELEASE key.
As soon as any PDN becomes idle, the CO call
arrives at the PDN.
For further detail of transferring a camped-on
party, refer to Section 6-G-1.02 "Call Transfer by
Camp-on to Station".