Panasonic Kx Ta824 Operating Manual

1.3 Telephone Features
Operating Manual 81
1.3.37 Door Open
You can unlock a door from your extension, if enabled through system programming.
From an enabled extension
From an extension that is on a call with a doorphone
 If you hear the DND tone, enter 2, and then hear a busy tone, the called extension is 
busy. You can use the Automatic Callback Busy feature.
Programming Manual References
[PT Programming]
 [609] DND Override
[PC Programming]
 9.2.1 Main [2-1]—DND Override
Feature Manual References
...

1.3 Telephone Features
82 Operating Manual
1.3.38 Doorphone Call
You can talk to a person at the door through the doorphone. The extensions that are permitted to be called 
when a visitor presses the Call button on a doorphone are determined through system programming. 
To call from the doorphone
To answer a call from a doorphone
 The door will stay open for a specified time period.
To keep the door open longer, enter 5 again using a Panasonic proprietary telephone 
(PT).
Programming Manual References...

1.3 Telephone Features
Operating Manual 83
To call a doorphone
1.3.39 Emergency Call
You can dial preprogrammed emergency numbers after seizing an outside (CO) line, regardless of any 
dialing restrictions on your extension. If no one answers a doorphone call within a specified time period, ringing stops and the 
call is canceled.
 Doorphones 1 and 2 (or doorphones 3 and 4) cannot be used at the same time. When one 
is in use, you cannot have a conversation with the other.
Programming Manual...

1.3 Telephone Features
84 Operating Manual
1.3.40 Executive Busy Override—Extension
You can join an existing intercom call, establishing a 3-party conference call, if your extension is permitted 
through system programming.
To join an intercom call
 This feature will function even when:
— In Account Code—Verify-All/Verify-Toll/Forced Mode
— Restricted by the current class of service (COS)
— In Extension Lock
Programming Manual References
[PT Programming]
 [309] Emergency Number
 [403] Host PBX Access...

1.3 Telephone Features
Operating Manual 85
To disconnect one party and talk with another when one of the parties is an outside party
To leave the conference call
 You can also prevent others from joining your conversations. Refer to 1.3.42 Executive 
Busy Override Deny.
Programming Manual References
[PT Programming]
 [105] Conference Tone
 [608] Executive Busy Override
[PC Programming]
 9.1.11 Detail [1-10]—Conference—Conference Tone
 9.2.1 Main [2-1]—Busy Override
Feature Manual References
 1.1.50...

1.3 Telephone Features
86 Operating Manual
1.3.41 Executive Busy Override—Outside (CO) Line
To join an outside (CO) line call
To disconnect one party and talk with another when one of the parties is an outside party
To leave the conference call
You can join an existing outside (CO) line call, establishing a 3-party conference 
call, if your proprietary telephone (PT) is permitted through system 
programming.
 You can also prevent others from joining your conversations. Refer to 1.3.42 Executive 
Busy...

1.3 Telephone Features
Operating Manual 87
1.3.42 Executive Busy Override Deny
You can prevent other extension users from using the Executive Busy Override feature to join an ongoing 
call.Programming Manual References
[PT Programming]
 [105] Conference Tone
 [608] Executive Busy Override
[PC Programming]
 9.1.11 Detail [1-10]—Conference—Conference Tone
 9.2.1 Main [2-1]—Busy Override
Feature Manual References
 1.1.51 Executive Busy Override—Outside (CO) Line
Operating Manual References
 1.3.42...

1.3 Telephone Features
88 Operating Manual
1.3.43 Extension Feature Clear
You can reset the settings of the following features on your extension to the default settings.
This feature is also known as Station Feature Clear or Station Program Clear.
1.3.44 Extension Lock
You can lock your extension to prevent other people from using your extension without permission.
If your extension is locked, it cannot be used to perform the following operations:Feature Value after Extension Feature Clear
Absent...

1.3 Telephone Features
Operating Manual 89
— Making outside (CO) line calls
— Accessing logged information
— Listening to or erasing voice messages recorded by the Built-in Voice Message (BV) feature
— Recording, playing, or erasing BV outgoing messages (OGMs)
However, you may be able to make outside (CO) line calls depending on system programming.
This feature is also known as Electronic Station Lockout. 
To lock/unlock
If you forget the code or cannot unlock your phone, ask your operator or manager....

1.3 Telephone Features
90 Operating Manual
1.3.45 External Feature Access (EFA)
You can access special features such as Call Waiting offered by another PBX or a telephone company. This 
feature is only available during outside (CO) line calls.
 To hold the current call and then talk to the new party
Programming Manual References
[PT Programming]
 [108] Flash/Recall Mode for a Locked Extension
 [312] TRS—Extension Lock Class
 [601-603] TRS-COS—Day/Night/Lunch
[PC Programming]
 9.1.11 Detail...