ASAI and Set Value Capabilities
ACK (Positive Acknowledgement) Parameters
No parameters are contained in the acknowledgement for this capability.
Denial (NAK) Causes
The ECS issues one of the following reasons as the cause for not setting the MWL:
■Invalid association (CS0/81)
The association is already in existence.
■Invalid number (CS0/28)
An invalid parameter value has been designated.
■Service or option not available (CS3/63)
Messaging is not enabled for the requested station or would exceed ASAI request limits.
■Mandatory information element missing (CS0/96) A required parameter is missing in the request.
■Switching Equipment Congestion (CS0/42)
The ECS is not accepting the request at this time because of processor overload. The adjunct or user may wish to retry the request but should not do so immediately.
■Facility Reject (CS0/29)
The applications processor attempted a Flexible Billing rate change request (Set Value capability) for a call that does not include a Flexible Billing user.
■Resources Unavailable, Unspecified (CS0/47)
The applications processor requested a billing rate change and the ECS threshold of unconfirmed requests has been reached.
■Message not compatible with call state (CS0/98)
The billing change request is rejected because the call has not yet been answered or has been disconnected.
■No user responding (CS0/18)
A response to a billing request has not been received.
Protocol Error (NAK) Cause
The ECS issues the following cause for generating a protocol processing error(s):
■Protocol error (CS0/111)
The Q.932 protocol has been violated.
NOTE:
For more information regarding protocol errors and a complete list of reason codes (cause values), see the DEFINITY Enterprise
