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ASAI and Call Control
Issue 7 May 1998
4-19
■ Service or option not subscribed/provisioned (CS0/50)
If an adjunct includes user-to-user information and the ECS field release is
not V3 or later, the ECS denies the request.
Other Failure Conditions for
Switch-Classified Calls
A Third Party Make Call (Switch-Classified) is dropped if:
■ The COR check for delivering the call has failed — Call Ended Event
Report (cause=CS0/21).
■ An answered call at the destination cannot be delivered because of a full
queue condition. This condition is logged in the error log (CS3/22).
2. User-Classified Call
This type of Third Party Make Call is used by many types of applications such as
Office Automation, Messaging, and OCM applications for Preview Dialing. It is
defined as a call that is originated from a station with all Direct-Agent or
Supervisor-Assist call options turned off. The call is set up by the adjunct on
behalf of a station extension (calling party) to an on- or off-ECS called endpoint.
The adjunct must provide the calling party origination and the called party
destination addresses. Valid originators for this type of call include all station
extensions. Valid destinations are on-ECS extensions (including VDNs) and
off-ECS numbers. All trunk types (including ISDN-PRI) are supported as facilities
for reaching called endpoints for outbound User-Classified calls. Call progress
feedback messages are reported as events across the BRI ASAI interface.
Answer supervision and call classifiers are not needed for this type of call
because the user (agent) will determine the outcome of the call.
Parameters for User-Classified Calls
This list contains the ASAI interface call parameters for User-Classified calls.
orig_addr [mandatory] Must be a valid station extension.
dest_addr [mandatory] Must be a valid extension number or
off-ECS number. An on-ECS extension may be a
station extension, VDN, split, hunt group, or
announcement extension. The dest_addr may
include TAC/ARS/AAR information for off-ECS
numbers.
dest_route_select [optional] If present, it contains the TAC/ARS/AAR
information for off-ECS numbers, if they were not
present in the dest_addr.