CCITT (X.136) Recommendation X.136. DATA COMMUNICATION NETWORKS: NETWORK ASPECTS. ACCURACY AND DEPENDABILITY PERFORMANCE VALUES FOR PUBLIC DATA NETWORKS WHEN PROVIDING INTERNATIONAL PACKET-SWITCHED SERVICES Байт: 157696 |
CCITT (X.22) Recommendation X.22. MULTIPLEX DTE/DCE INTERFACE FOR USER CLASSES 3-6 Байт: 47104 |
ITU-T (V.21) Recommendation V.21. DATA COMMUNICATION OVER THE TELEPHONE NETWORK. 300 BITS PER SECOND DUPLEX MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK Байт: 60928 |
ITU-T (V.22) Recommendation V.22. DATA COMMUNICATION OVER THE TELEPHONE NETWORK. 1200 BITS PER SECOND DUPLEX MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK AND ON POINT-TO-POINT 2-WIRE LEASED TELEPHONE-TYPE CIRCUITS Байт: 176128 |
ITU-T (V.22bis) Recommendation V.22bis. DATA COMMUNICATION OVER THE TELEPHONE NETWORK. 2400 BITS PER SECOND DUPLEX MODEM USING THE FREQUENCY DIVISION TECHNIQUE STANDARDIZED FOR USE ON THE GENERAL SWITCHED TELEPHONE NETWORK AND ON POINT-TO-POINT 2-WIRE LEASED TELEPHONE-TY Байт: 222720 |
ITU-T (V.23) Recommendation V.23. DATA COMMUNICATION OVER THE TELEPHONE NETWORK. 600/1200-BAUD MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORK Байт: 82432 |
ITU-T (V.25) Recommendation V.25. DATA COMMUNICATION OVER THE TELEPHONE NETWORK. AUTOMATIC ANSWERING EQUIPMENT AND/OR PARALLEL AUTOMATIC CALLING EQUIPMENT ON THE GENERAL SWITCHED TELEPHONE NETWORK INCLUDING PROCEDURES FOR DISABLING OF ECHO CONTROL DEVICES FOR BOTH MAN Байт: 129024 |
ITU-T (V.42bis) Recommendation V.42 bis. DATA COMMUNICATION OVER TELEPHONE NETWORK. DATA COMPRESSION PROCEDURES FOR DATA CIRCUIT TERMINATING EQUIPMENT (DCE) USING ERROR CORRECTING PROCEDURES Байт: 207360 |
ITU-T (X.1) Recommendation X.1. PUBLIC DATA NETWORK: SERVICES AND FACILITIES. INTERNATIONAL USER CLASSES OF SERVICE IN, AND CATEGORIES OF ACCESS TO, PUBLIC DATA NETWORKS AND INTEGRATED SERVICES DIGITAL NETWORKS (ISDNs) Байт: 99328 |
ITU-T (X.2) Recommendation X.2. PUBLIC DATA NETWORK: SERVICES AND FACILITIES. INTERNATIONAL DATA TRANSMISSION SERVICES AND OPTIONAL USER FACILITIES IN PUBLIC DATA NETWORKS AND ISDNs Байт: 324096 |
ITU-T (X.3) Recommendation X.3. PUBLIC DATA NETWORK: SERVICES AND FACILITIES. PACKET ASSEMBLY/DISASSEMBLY FACILITY (PAD) IN A PUBLIC DATA NETWORK Байт: 182784 |
CCITT (X.4) Recommendation X.4. GENERAL STRUCTURE OF SIGNALS OF INTERNATIONAL ALPHABET No. 5 CODE FOR CHARACTER ORIENTED DATA TRANSMISSION OVER PUBLIC DATA NETWORKS1) Байт: 39424 |
CCITT (X.5) Recommendation X.5. DATA COMMUNICATION NETWORKS: SERVICES AND FACILITIES, INTERFACES. FACSIMILE PACKET ASSEMBLY/DISASSEMBLY FACILITY (FPAD) IN A PUBLIC DATA NETWORK Байт: 89088 |
ITU-T (X.509) Recommendation X.509. Information technology - Open Systems Interconnection. THE DIRECTORY - AUTHENTICATION FRAMEWORK Байт: 195072 |
ITU-T (X.6) Recommendation X.6. PUBLIC DATA NETWORK: SERVICES AND FACILITIES. MULTICAST SERVICE DEFINITION Байт: 271360 |
ITU-T (X.7) Recommendation X.7. PUBLIC DATA NETWORKS: SERVICES AND FACILITIES. TECHNICAL CHARACTERISTICS OF DATA TRANSMISSION SERVICES Байт: 296448 |