ITU-T M.810 FRENCH-1988 Setting up and lining up an international voice-frequency telegraph link for public telegraph circuits (for 50 100 and 200 baud modulation rates)
Figure 1/M.800 illustrates the composition of an international voice-frequency telegraph system and thenomenclature used.
ITU-T M.810 FRENCH-1988 Referenced Document
ITU-T F.10 CHARACTER ERROR RATE OBJECTIVE FOR TELEGRAPH COMMUNICATION USING 5 - UNIT START-STOP EQUIPMENT*， 1993-01-01 Update
ITU-T G.151 General Performance Objectives Applicable to All Modern International Circuits and National Extension Circuits - General Characteristics of International Telephone Connections and Circuits (Study Groups XII and XV) 6 pp*， 1989-01-01 Update
ITU-T H.13 Characteristics of an Impulsive Noise Measuring Instrument for Telephone-Type Circuits - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp*， 1989-01-01 Update
ITU-T M.570 Constitution of the Circuit: Preliminary Exchange of Information - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 5 pp*， 1989-01-01 Update
ITU-T M.580 Setting up and Lining up an International Circuit for Public Telephony - - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 15 pp*， 1989-01-01 Update
ITU-T M.70 Guiding Principles on the General Maintenance Organization for Telephone-Type International Circuits - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 2 pp*， 1989-01-01 Update
ITU-T M.80 Control Stations - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 3 pp*， 1989-01-01 Update
ITU-T M.90 Sub-Control Stations - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 3 pp*， 1989-01-01 Update
ITU-T O.41 Psophometer for Use on Telephone-Type Circuits - Specifications for Measuring Equipment - Equipment for the Measurement of Analogue Parameters (Study Group 4) 17 pp [Superseded: ITU-T P.53]*， 1994-04-19 Update
ITU-T O.71 IMPULSIVE NOISE MEASURING EQUIPMENT FOR TELEPHONE-TYPE CIRCUITS
ITU-T R.54 Conventional Degree of Distortion Tolerable for Standardized Start-Stop 50-Baud Systems - Telegraphy Telegraph Transmission (Study Group IX) 4 pp*， 1993-01-01 Update
ITU-T R.70 Designation of International Telegraph Circuits - Telegraph Transmission Study Group IX; 1 pp*， 1989-01-01 Update
ITU-T V.55 Specification for an Impulsive Noise Measuring Instrument for Telephone-Type Circuits - Data Communication over the Telephone Network (Study Group XVII) 1 pp
ITU-T M.810 FRENCH-1988 history
1988ITU-T M.810 FRENCH-1988 Setting up and lining up an international voice-frequency telegraph link for public telegraph circuits (for 50 100 and 200 baud modulation rates)