National TCAP Problem DE

National TCAP has one problem-code DE instead of the four problem IEs of CCITT/ITU-T—see Table 15.5-1. The DE has a two-octet value field. The first octet (known as problem code) indicates the nature of the problem (general problem, invoke problem, etc.). The second octet (problem specifier) indicates a specific problem (unrecognized component, duplicate invoke-ID, incorrect parameter, etc.).

Further details on the coding of value fields for national TCAP data elements can be found in Ref. [9].

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