MAUUI over RELEASE MESSAGE for NCAUUI 18-9
Digital Switching Systems DMS-250 ISDN Reference Manual MWC14 (CSP14)
Forward Clearing Two Switch Scenario 1
The following figure shows how the originating user clears an NCAUUI call
with a Q.931 DISConnect message or a Q.931 RELease message before an
NCAUUI call is connected. A UUI request is included in this message, but
the UUI request is not delivered to the terminating MWC DMS-250 switch.
The billing field, UUIE_COUNT is not incremented at the originating and
terminating switch.
Figure 18-8
Forward Clearing Two Switch Scenario 1
Originating PBX
Terminating MCI DMS–250
Terminating PBX
SETUP
SETUP
Originating MCI DMS–250
CR (MAUUI)
Connection Request
(NCAUUI and MAUUI Request)
(NCAUUI and MAUUI Request)
DISConnect/RELease
(MAUUI)
Release Complete
Connection Confirm
CC
CONNect
RLSD
RLC
Release
RELease COMPlete
Billing Record should have: Billing Record should have:
TP7Q = 0 TP7Q = 0
UUS_TYPE = 0
UUI_COUNT = 1
UUS_TYPE = 0
UUI_COUNT = 1
Note: Regardless of what cause value the PRI originator sends, the PRI
terminator receives a cause value of 95 (call rejected).
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