ITU
搜尋結果：找到 7840 筆資料
- 【組 織】ITU
- 【文件編號】ITU-T R.80
CAUSES OF DISTURBANCES TO SIGNALS IN VFT CHANNELS AND THEIR EFFECT ON TELEGRAPH DISTORTION
- 【日 期】1988/11/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T Q.29
CAUSES OF NOISE AND WAYS OF REDUCING NOISE IN TELEPHONE EXCHANGES
- 【日 期】1988/11/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T U.41
CHANGED ADDRESS INTERCEPTION AND CALL REDIRECTION IN THE TELEX SERVICE
- 【日 期】1988/11/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T R.83
CHANGES OF LEVEL AND INTERRUPTIONS IN VFT CHANNELS
- 【日 期】1988/11/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T G.792
Characteristics Common to All Transmultiplexing Equipments - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 13 pp
- 【日 期】1988/11/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T G.794
Characteristics of 24-Channel Transmultiplexing Equipments - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 5 pp
- 【日 期】1988/11/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T G.793
Characteristics of 60-Channel Transmultiplexing Equipments - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 9 pp
- 【日 期】1988/11/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T S.6
CHARACTERISTICS OF ANSWERBACK UNITS (ITA2)
- 【日 期】1988/11/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T G.795
CHARACTERISTICS OF CODECS FOR FDM ASSEMBLIES - GENERAL ASPECTS OF DIGITAL TRANSMISSION SYSTEMS - TERMINAL EQUIPMENTS - Study Groups XV and XVIII
- 【日 期】1988/11/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T J.41
CHARACTERISTICS OF EQUIPMENT FOR THE CODING OF ANALOGUE HIGH QUALITY SOUND PROGRAMME SIGNALS FOR TRANSMISSION ON 384 kbit/s CHANNELS
- 【日 期】1988/11/1
- 【語 言】English
- 【狀 態】Active
