17.9. BRAR - Backward Release (of an incoming CO call) 
Backward Release (of an incoming CO call) if a system-initiated recall
to the attendant or night station is not answered.
Feature:
Recall after hangup in consultation mode
Transfer an external or internal connection in dialing, calling or busy status when
an
external connection is waiting
Function:
An externally held incoming consultation connection is released if an immediate
recall is requested from the consulting partner or if the consulted partner does not
answer
after transfer in dialing, calling or busy status. The time to release depends on
the timer
parameter RELREC (Release Recall). This function can be activated with
the COT parameter BRAR. It only works with analog trunks.
AMO Interrelationships:
AMO CTIME: < TYPESWU = cptime1 >, < RELREC= 90 - 340 sec. >
Device types:
Only for analog trunks