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Event Reporting and U-Abort Capabilities
3-12 Issue 7 May 1998
“shared”. The UUI for ASAI is packed within the shared UUI before it is sent over
an ISDN trunk, and is unpacked at the other end.
This is transparent to the ASAI adjuncts, with two exceptions:
1. If the maximum size UUI allowed on the ISDN trunk is exceeded, then the
lower priority data items will be dropped. Whether or not this means that
ASAI UUI is dropped depends on the priorities of the data items. These
priorities are administered on each trunk group form. Each item stored in
shared UUI uses two extra bytes.Therefore, if the ISDN trunk group is
administered to allow a shared UUI length of 32 bytes then the ASAI UUI
will be limited to 30 bytes instead of 32.
2. If a service provider, or customer equipment other than a DEFINITY ECS
(R6.3 or later) will be interpreting the contents of the UUI IE, then the trunk
group used to place those calls should have its UUI IE Treatment set to
“service-provider”. This sends the UUI as specified by the ASAI application,
without change.
For more information, see the Section, ‘‘Integrated Services Digital Network
(ISDN),’’ in Chapter 12, ‘‘ASAI and Feature Interactions.’’
reason for redirection
The reason the call has been presented and is alerting at a station. Only applies
to calls redirected by ECS or by ASAI from the original destination.
II-digits
Information Identifier (II) Digits provide information about the originating line for
the call. II-Digits only apply to calls that arrive on PRI trunks at the ECS.
UCID (Universal Call ID)
Starting with Release 6, UCID is included in the Alerting Event Report only if it
exists in the DEFINITY ECS and the “Send UCID to ASAI”
4
field is administered to
‘y’. It is a unique tag assigned to each ECS call.
NOTE:
This event report is not guaranteed for each call, such as an outbound call
that is not end-to-end ISDN, or in cases where you connect a party on an
existing call by bridging in or by using the pickup feature, for example. In
both cases, the application would see the Connect Event Report without
seeing the Alert.
4. The field “Send UCID to ASAI” is administered on the feature-related System Parameters form.