Specifications

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AS/CA S002:2010 COPYRIGHT
OCTOBER 2010
D.2.2 Prioritisation of Distinctive Rings
Where the combination of call types that provide Distinctive Ring to
the user would result in multiple simultaneous Distinctive Rings being
provided, the Distinctive Ring for the type of call that has the highest
priority (as indicated below) will be that which is actually delivered.
D.2.3 List of priorities
In the following list, Priority 1 is considered to be the highest, while
Priority 7 is the lowest.
Priority 1 Data Privacy Facility
Priority 2 Selective Ring Service
Priority 3 Multiple Subscriber Number
Priority 4 Call Forwarded Calls
Call Forwarded Unconditional
Call Forwarding on Busy
Call Forwarding on No Reply
Call Forwarding Timed
Selective Call Forwarding
Priority 5 Recall and Operator Calls
Recall of Call Completion to Busy Subscriber
Recall of Call Completion on No Reply
All Recalls to Attendant
Recall on Call Park
Recall on Call Transfer to Ring
Recall on Call Transfer to Busy
Operator Calls (indicated by special category)
Alarm Call
Priority 6 Call within a Centrex Group and a Closed User
Group
Priority 7 Normal Ring (this is the default ring)