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What is the need of CPG message in ISUP protocol?
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Answer / keshava
Consider any call fowarding scenario.... As soon as switch
receives Setup, it checks that the Called_Party has
forwarded option activated and so tries to forward the
call. Meanwhile, Switch sends CPG message towards
originator saying that Call is in Progress.
| Is This Answer Correct ? | 52 Yes | 7 No |
Answer / priyaranjan satapathy
A message, sent in either direction during the setup or
active phase of the call(ex.inbetween ACM and ANM),
indicating that an event, which is of significance, and
should be relayed to the originating or terminating access,
has occurred.
| Is This Answer Correct ? | 30 Yes | 5 No |
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