ITU
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- 【組 織】ITU
- 【文件編號】ITU-T T.22
Standardized Test Charts for Document Facsimile Transmissions - Terminal Equipment and Protocols for Telematic Services (Study Group VIII) 10 pp
- 【日 期】1993/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 53/6
Standards for the transmission of several sound signals in one television channel in terrestrial or satellite broadcasting including high-definition and enhanced definition television systems
- 【日 期】1993/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T E.401
STATISTICS FOR THE INTERNATIONAL TELEPHONE SERVICE ( NUMBER OF CIRCUITS IN OPERATION AND VOLUME OF TRAFFIC )
- 【日 期】1993/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T U.205
Store-and-Retrieve Facility for the Delivery of Messages from a Terminal of the International Telex Service to a Data Terminal Equipment Which Connects to a Packet-Switched Public Data Network over the Public Switched Telephone Network - Telegraph Switchi
- 【日 期】1993/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T Z.400
Structure and Format of Quality Manuals for Telecommunications Software (Study Group X) 9 pp
- 【日 期】1993/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T P.84
Subjective Listening Test Method for Evaluating Digital Circuit Multiplication and Packetized Voice Systems - Telephone Transmission Quality Subjective Opinion Tests (Study Group XII) 22 pp
- 【日 期】1993/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T P.83
Subjective Performance Assessment of Telephone-Band and Wideband Digital Codecs - Telephone Transmission Quality Subjective Opinion Tests - Study Group XII; 18 pp; Cancelled
- 【日 期】1993/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T E.131
Subscriber Control Procedures for Supplementary Telephone Services
- 【日 期】1993/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T E.114
Supply of Lists of Subscribers (Directories and Other Means)
- 【日 期】1993/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T T.103
Syntax-Based Videotex End-to-End Protocols for the Packet Mode ISDN - Telematic Services Terminal Equipments and Protocols for Telematic Services (Study Group VIII) 68 pp
- 【日 期】1993/1/1
- 【語 言】English
- 【狀 態】Active
