ATT DEFINITY Communications System Generic 3 Instructions Manual

DCS Call Coverage
Issue  3   March 1996
3-627
The following list describes the interworking between DCS and ISDN PRI:
nWhen an incoming call on a DCS trunk is routed to an outgoing ISDN 
PRI-only trunk, the contents of the display information element in the ISDN 
PR I  S ETUP   message, which contains the calling party name, are taken 
from the contents of the DCS name message.
nWhen an incoming c all on an ISDN PR I trunk is routed to an outgoing DCS 
trunk over an ISDN PRI trunk, the DCS name message...

Feature Descriptions
3-628Issue  3   March 1996 
Hardware and Software Requirements
The following software is required for DCS Call Coverage:
nG3V4 or later system software
nDCS software
nUDP or PNA software
nDCS Call Coverage must be enabled on all systems having principals or 
coverage points and on all intervening systems.
DCS Call Coverage does not require any ad d itional hardware beyond what is 
required by DCS or call coverage. 

DCS Call Forward ing All Calls
Issue  3   March 1996
3-629
DCS Call Forwarding All Calls
Feature Availability
DCS is available with all Generic 3 releases except G3vs/G3s ABP.  
Description
Allows all calls to an extension numb er to be forwarded to a selected extension 
number within the DCS network or to an external (off-premises) numb er. If the 
Call Forwarding and DCS Call Forwarding All Calls features are both active, and 
if a call is forwarded between extensions on the same node, the Call...

Feature Descriptions
3-630Issue  3   March 1996 
Administration
The administration for DCS Call Forwarding All Calls is the same as that for the 
Call Forwarding All Calls feature, which is fully described elsewhere in this 
chapter.
Hardware and Software Requirements
DCS interface hardware and DCS software are required. 

DCS Call Waiting
Issue  3   March 1996
3-631
DCS Call Waiting
Feature Availability
DCS is available with all Generic 3 releases except G3vs/G3s ABP.  
Description
Allows calls from one node to busy single-line voice terminals at another node to 
wait until the called party is available to accept the call.
DCS Call Waiting includes the following features:
nAttendant Call Waiting
nCall Waiting — Termination
nPriority Calling
Attendant Call Waiting, Call Waiting Termination, and Priority Calling function...

Feature Descriptions
3-632Issue  3   March 1996 
Administration
None required.
Hardware and Software Requirements
DCS interface hardware and DCS software are required. 

DCS Distinctive Ringing
Issue  3   March 1996
3-633
DCS Distinctive Ringing
Feature Availability
DCS is available with all Generic 3 releases except G3vs/G3s ABP.
Description
Activates the alerting, or ringing, device of a called terminal so that the user is 
aware of the type of incoming call before answering it.  Distinctive Alerting 
functions in a DCS environment as it does within a System:
nFor  G3sV1 and G3iV1, internal calls are identified by a 1-burst ringing 
pattern; external calls by a 2-burst...

Feature Descriptions
3-634Issue  3   March 1996 
nIntercom — Dial
This feature and its distinctive ringing are not provided between nodes in 
a DCS.
nManual Signaling
This feature and its distinctive ringing are not provided between nodes in 
a DCS.
nTie Trunk A ccess
On a DEFINITY Generic 3 switch, tie trunk g roups can be administered as 
either internal or external tie trunk groups. Calls from internal tie trunk 
groups are treated as terminal-originated calls and receive one-burst 
ringing. Calls...

DCS Leave Word Calling
Issue  3   March 1996
3-635
DCS Leave Word Calling
Feature Availability
DCS is available with all Generic 3 releases except G3vs/G3s ABP.  
Description
Enables terminal users to leave preprogrammed ‘‘call me’’ messages at other 
terminals within the DCS network. Messages can be left by calling, called, or 
covering users.
LWC transparency in a DCS configuration allows messages from a DEFINITY 
switch to another node, depending on the storage c a pability of the remote node....

Feature Descriptions
3-636Issue  3   March 1996 
Interactions
The following features interact with the DCS LWC feature.
nDCS Multi-appearance Conference/Transfer 
Activation of LWC is denied after a DCS call has been conferenced or 
transferred.
nDCS Call Forward ing All Calls 
If the forwarding extension and the designated extension are at different 
nodes, LWC cannot be activated at the designated extension for a 
forward ed call.
Administration
The administration for DCS LWC is the same as that for...