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19-10 MAUUI
responds to this message with an ISUP REL message with UUI. If treatment
is not applied at this switch, the UUI is transported to the originating PRI
agent in the corresponding Q.931 DISConnect message.
The following diagram show the "PRI to ISUP call clearing before ACM
when treatment is not applied" scenario.
Figure
19-9xxx
PRI–ISUP Call Clearing before ACM when Treatment not Applied
The second scenario is similar to the first scenario except that treatment is to
be applied at this switch. In this situation, the UUI from the received call
clearing message is copied into the Q.931 Progress message. The message is
used to establish voice path and sent to the originating PRI agent before the
treatment is applied.
The following diagram shows the "PRI to PRI call clearing before ACM
when treatment is applied" scenario.
297-2521-106 Standard 23.01 March 2001
MWC DMS-250
Q.931 Setup (UUI)
Q.931 Call Proceeding
Q.931 DISConnect (UUI)
Q.931 RELease
Q.931 RELease COMPlete
ISUP IAM (UUI)
ISUP REL (UUI)
ISUP RLC
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