1069 Distinctive Ringing - Terminating Screening

Distinctive Ringing - Terminating Screening (non-CLASS) provides individual 
ringing signals for customers who have multiple directory numbers (DNs) assigned
to a single line appearance of a circuit switch.  One DN is designated as the 
"master" DN and receives regular ringing.  Additional DNs associated with the 
single line appearance receive distinctive ringing signals.

Generic Name of ONA Service
 	Product Name				BSE or CNS
===========================================================================
Distinctive Ringing - Terminating Screening
	AM - Call Identification		CNS
	BS - Ringmaster(R)			CNS
	SWB - Personalized Ring (sm) Service	CNS
	USW - Custom Ringing			CNS

Ringmaster is a registered trademark of BellSouth.
Personalized Ring is a service mark of Southwestern Bell Telephone Company.

FEATURE OPERATION:
1. A customer may request from the telephone company that up to four Directory
   Numbers (a primary and three secondary) be assigned to their line.  A service
   order is required.

2. Once provisioned, a unique ringing pattern is applied to the customer's line
   for each of the assigned directory numbers dialed by the calling party.  The
   calling party always hears a normal audible ringing pattern.

TECHNOLOGICAL AND FEATURE INTERACTION CONSIDERATIONS:

1. This feature is available in the following central office switches:

Switch Type			1A ESS	5ESS	DMS-100
Earliest Generic Release	1AE9	5E4	BCS25

2. This service is only available on single party lines with superimposed
   ringing.

3. The primary number (PDN) receives normal ringing.  Ringing patterns for the
   secondary numbers (SDNs) is as follows:
   SDN1 - 2 long rings
   SDN2 - 2 short rings, 1 long ring
   SDN3 - 1 short ring, 1 long ring, 1 short ring

4. Customers with Call Waiting will receive a unique Call Waiting tone for each
   directory number dialed.

5. Customers with Call Forwarding - Variable may have the option at subscription
   of being able to forward only the primary number or forwarding all directory
   numbers upon service activation.

6. If other Call Forwarding features are assigned to the primary number, they
   are also provided for the secondary numbers.

7. Originating Custom Calling features such as Three Way Calling or Speed 
   Calling can be assigned to the primary number only.

8. References: LSSGR FSD 01-01-1000.
