Panasonic KX-TD308 Installation Manual page 23

1.1 System Highlights
Caller ID
Trunk (Outside Line) Answer From Any Station (TAFAS)
Remote Station Lock Control
Uniform Call Distribution (UCD)
Allows the user to see the name or telephone number of a caller on
the telephone display before answering a call.
Ringing occurs over the external paging system; call can be
answered from any station.
Allows an operator to lock an extension so that outgoing calls
cannot be made.
Allows incoming calls to be distributed uniformly to a specific
group of extensions.
System Outline 1-3