1071 Make Busy Key

This capability is provided via a dedicated link connected to a line scan point
or equivalent, and is associated with a MLHG, DID or equivalent.  By activating
an ESP provided key at the ESP end of this link, the ESP can place one or more 
lines or trunks in a busy or overflow condition.  Subsequent calls may either be
directed to a tone, announcement or possibly an alternate route.

Generic Name of ONA Service
 	Product Name						BSE or CNS
==============================================================================
Make Busy Key
	AM - Make Busy Arrangements				BSE 
	BA - Make Busy Arrangements				BSE
	BS - Subscriber Transfer Service/Break In Rotary	BSE or CNS
	NX - Night Transfer					BSE or CNS
	NX - Trunk Group Make Busy				BSE * 
	PB - Availability Control Arrangement			BSE 
	SWB - Remote Make Busy - Trunk Side			BSE 
	USW - Make Busy						BSE 

* NYNEX also offers this BSE with the Circuit Switched Trunk BSA.

FEATURE OPERATION:
1. The customer (ESP) requests this service and the associated Dedicated Network
   Access Link (DNAL) from the telephone company via service order.

2. The ESP must specify which line(s), trunk(s), group of lines or group of
   trunks is to be associated with the service.

3. Upon activation of a customer provided key, or similar device, the associated
   lines or trunks will be placed by the central office switch in a busy 
   condition.  The lines or trunks remain in the busy conditions until released
   by the customer.

4. Calls to busy lines or trunks will receive normal busy condition treatment
   which may include tones, announcements or alternate routing including
   call forwarding.

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	1AE8A	5E2(2)	BCS17

2. A line or trunk may be associated with only one key.

3. Originating service is not affected by key activation.

4. The maximum number of lines or trunks that can be controlled via a
   single key varies by switch type.

5. Normal operation of the alternate routing or various Call Forwarding
   capabilities is not affected by this service.

6. References:
   o LSSGR (TR-TSY-000064), FSD 01-02-0802, Multiline Hunt Service,
     Issue 2, July 1987, Module TR-TSY-000521, see "make-busy key."

This service, if offered as a BSE, is associated with the Dedicated Network
Access Link basic serving arrangement.
