Nortel Meridian Meridian 1 Feature Description And Administration page 1041

6 When Set B goes on-hook, Set A receives a burst of tone and has thirty
seconds to accept the recall before it is cancelled.
7 If Set B has originated or received another call, Set A receives a busy
indication and has the option of requesting the CCBS again.
Note: If Set A presses the RGA key before receiving notification then
the request is cancelled.
Call Completion No Response
Meridian 1 Proprietary Sets
1 Set A calls Set B on an outgoing QSIG route. The call rings but is not
answered. Set A receives a ringback tone.
2 Set A presses RGA key to activate Ring Again on No Answer prior to
releasing the call. The DN key lamp darkens.
3 Set A goes on-hook and is free to make or receive calls.
4 When Set B makes a call and goes on-hook. Set A is notified by a one
second burst of tone and the RGA lamp fast flashes.
5 Set A can accept the call by selecting a DN key and pressing the RGA
key. Set A has thirty seconds to accept this call.
6 If Set A accepts the call and Set B is free, the call goes through. However,
if Set B receives or originates another call, Set A receives a busy
indication. Set A has the option of requesting CCBS.
Note: If Set A presses the RGA key before receiving notification then
the request is cancelled.
ISDN QSIG/EuroISDN Call Completion
International ISDN PRI Feature description and administration
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