The concern of this Recommendation is the transmission performance of an analogue international exchange in terms of design objectives [1]. Related commissioning objectives [1] may be based on this Recommendation.
ITU-T Q.45 BIS FRENCH-1988 Referenced Document
ITU-T G.101 The transmission plan (Study Group 12)*， 2003-11-01 Update
ITU-T G.102 TRANSMISSION PERFORMANCE OBJECTIVES AND RECOMMENDATIONS*， 1993-01-01 Update
ITU-T G.111 Loudness Ratings (LRs) in an International Connection (Study Group XII) 21 pp*， 1993-03-01 Update
ITU-T G.134 Linear Crosstalk - General Characteristics of International Telephone Connections and Circuits (Study Groups XII and XV) 2 pp*， 1989-01-01 Update
ITU-T G.162 Characteristics of Compandors for Telephony - General Characteristics of International Telephone Connections and Circuits (Study Groups XII and XV) 8 pp*， 1989-01-01 Update
ITU-T G.231 ARRANGEMENT OF CARRIER EQUIPMENT*， 1993-01-01 Update
ITU-T G.232 12-Channel Terminal Equipments - International Analogue Carrier Systems - General Characteristics Common to All Analogue Carrier-Transmission Systems*， 1993-01-01 Update
ITU-T O.71 IMPULSIVE NOISE MEASURING EQUIPMENT FOR TELEPHONE-TYPE CIRCUITS
ITU-T O.9 Measuring Arrangements to Assess the Degree of Unbalance About Earth - Series O: Specifications of Measuring Equipment General Study Group 4; 19 pp*， 1999-03-01 Update
ITU-T Q.551 Transmission Characteristics of Digital Exchanges (Study Group 15)*， 2002-01-01 Update
ITU-T Q.553 Transmission Characteristics at 4-Wire Analogue Interfaces of Digital Exchanges - Series Q: Switching and Signalling Digital Exchanges - Transmission Characteristics Study Group 15*， 2024-04-19 Update