Toshiba StrataCT User Manual page 18

Electronic Telephone Diagram
Table 2 Directory Button Definitions
Button
[PDN]
Primary Directory Number
[SDN]
Secondary Directory Number
[PhDN]
Phantom Directory Number
6
Press to answer a call to the Primary Directory Number or to initiate a phone call.
The [PDN] is specifically your Extension Number or Intercom Number. Your telephone
can have up to four [PDN] buttons with your number. You can set Call Forward and
Voice Mail ID code for your [PDN].
Press to answer a call on a [PDN] of another telephone which appears on your
telephone as a [SDN].
You cannot set Call Forward and Voice Mail ID code for [SDNs] on your telephone.
Press to answer a call to the [PhDN].
Up to 8 [PhDNs] can be assigned to one station. A [PhDN] can be assigned
exclusively to a station or shared among a group of stations. An example of a [PhDN]
application is using the [PhDN] as a common phone number for an entire department,
such as a Sales Department. The [PhDN] rings on all of the telephones of the group
when it is called.
You can only set Call Forward and Voice Mail ID code for [PhDNs] that are owned by
your telephone. You can have a separate message waiting button and mailbox for
each up to four [PhDNs] on your telephone.
Definitions
Strata CT Electronic Telephone User Guide November 2001
The Grand Tour