Specifications

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AS/CA S002:2010 COPYRIGHT
OCTOBER 2010
APPENDIX
D DISTINCTIVE RING
D1 PSTN distinctive ring signal characteristics
Distinctive Ring is a feature that provides the capability of associating a differing
ring cadence with a particular type of incoming call. The Distinctive Ring is the
mechanism used to indicate to the user that he/she is receiving a particular
type of incoming call.
Note: The Distinctive Ring signals described in Appendix D are those provided by
Telstra. Consult other carriers for possible variations.
D2 Distinctive Ring features
D.2.1 List of features
Distinctive Ring is associated with the following features:
Normal Ring (DR0) used as the default for all calls.
Distinctive Ring 1 (DR1) used for calls that have been Call
Forwarded in both the PSTN and
Centrex environment.
Distinctive Ring 2 (DR2) used for Recalled Calls and Operator
Service Calls and for Selective Ring
Feature in both the PSTN and Centrex
environment.
Distinctive Ring 3 (DR3) used for Multiple Subscriber Number
(MSN) within the PSTN and Centrex
environment.
Distinctive Ring 4 (DR4) used for the Selective Ring Feature in
the PSTN environment and for calls
within a Centrex Group and a Closed
User Group.
Distinctive Ring 5 (DR5) used for the Selective Ring Feature in
both the PSTN and Centrex
environment.
Distinctive Ring 6 (DR6) used for a second MSN within the PSTN
and Centrex environment.
Distinctive Ring 7 (DR7) used for Data Privacy and Data
Service facilities and/or for a third
MSN.
Note:
The terms used for the features listed above are related to their network
functionality. For marketing purposes a different name will be used.