7.1.1.9 Diagnostic

This parameter shall only be used if the Result parameter has the value of “rejected (permanent)” or “rejected (transient).” It shall be used to provide diagnostic information about the result of the A-ASSOCIATE service.

If the Result Source parameter has the value “UL service-user,” it shall take one of the following symbolic values:

a) no-reason-given

b) application-context-name not supported

c) calling-AE-title not recognized

d) called-AE-title not recognized

e) calling-AE-qualifier not recognized (see note)

f) calling-AP-invocation-identifier not recognized (see note)

g) calling-AE-invocation-identifier not recognized (see note)

h) called-AE-qualifier not recognized (see note)

i) called-AP-invocation-identifier not recognized (see note)

j) called-AE-invocation-identifier not recognized (see note)

If the Result Source parameter has the value “UL service-provider” (ACSE related function), it shall take one of the following symbolic values:

a) no-reason-given

b) no-common-UL version

If the result source has the value “UL service-provider” (Presentation related function), it shall take the following symbolic values:

a) no-reason-given

b) temporary-congestion

c) local-limit-exceeded

d) called-(Presentation)-address-unknown

e) Presentation-protocol version not supported

f) no-(Presentation) Service Access Point (SAP) available

Note: Even though some of the above symbolic values correspond to parameter errors not used in this standard, they are included to allow the notification of errors resulting from the unauthorized use of these parameters.