The network analysis point is an element within the general maintenance organization for the international automatic and semi-automatic telephone service associated with one or more international centres.
ITU-T M.720 FRENCH-1988 Referenced Document
ITU-T E.420 CHECKING THE QUALITY OF THE INTERNATIONAL TELEPHONE SERVICE – GENERAL CONSIDERATIONS*， 1993-01-01 Update
ITU-T E.422 Observations on International Outgoing Telephone Calls for Quality of Service - Telephone Network and ISDN Quality of Service Network Management and Traffic Engineering (Study Group 2) 18 pp*， 1996-01-01 Update
ITU-T E.423 OBSERVATIONS ON TRAFFIC SET UP BY OPERATORS*， 1993-01-01 Update