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ASAI and Call Routing
7-10 Issue 7 May 1998
■ Permission denied (CS3/43)
Only incoming trunks (of any type, including ISDN, DTMF, and R2MFC) are
eligible for ASAI-Requested Digit Collection. If the originator is not a trunk,
a Route Select with the ASAI-Requested Digit Collection option is denied.
A call prompter/tone detector is not connected if the originating trunk (to
which the tone detector is to be connected) does not have incoming
disconnect supervision administered. The Route Select fails, the ECS
sends a Route End, and the call continues in vector processing.
■ Call has been terminated (CS0/86)
If the call drops (for example, the caller abandons, a vector disconnect
timeout occurs, a non-queued call encounters a “stop” step, or an adjunct
clears the call), all outstanding Route Requests are cancelled.
■ Timer Expired (CS0/102)
The ECS does not accept digits from a Route Select received after the
corresponding Route Request was cancelled.
Protocol Error (NAK) Causes
None for this capability
Considerations
If the Route Select is received after a Route End is sent, it is ignored by the ECS
and vector processing continues.