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6-6 PRI interworking
The call shown in Figure 6-4 is an example of the interworking with the
in-band tone and announcement applied within the network as a result of a
treatment.
Figure 6-4
PRI-to-ISUP-to-PRI call treatment
297-2521-106 Standard 23.01 March 2001
(PRI)
DMS-250
PBX
SETUP
CALL PROC
Cut-through
PROG
In-band tone or announcement applied
Note: Dashed lines indicate optional messages.
(ISUP)
DMS-250
IAM
treatment
occurs
ACM
Network
Cut-through
(PRI)
PBX
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