ITU
搜尋結果：找到 7840 筆資料
- 【組 織】ITU
- 【文件編號】ITU-T P.832
Subjective Performance Evaluation of Hands-Free Terminals Series P: Telephone Transmission Quality, Telephone Installations, Local Line Networks Methods for Objective and Subjective Assessment of Quality - Study Group 12
- 【日 期】2000/5/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T P.340
Transmission Characteristics and Speech Quality Parameters of Hands-Free Terminals Series P: Telephone Transmission Quality, Telephone Installations, Local Line Networks Subscribers' Lines and Sets - Study Group 12; Covering Note: March 31, 2004
- 【日 期】2000/5/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T G.175
Transmission Planning for Private/Public Network Interconnection of Voice Traffic Series G: Transmission Systems and Media, Digital Systems and Networks International Telephone Connections and Circuits - Transmission Plan Aspects of Special Circuits and C
- 【日 期】2000/5/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T J.143
User Requirements for Objective Perceptual Video Quality Measurements in Digital Cable Television Series J: Transmission of Television, Sound Programme and Other Multimedia Signals Measurement of the Quality of Service - Study Group 9
- 【日 期】2000/5/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T J.180
User Requirements for Statistical multiplexing of Several Programmes on a Transmission Channel - Study Group 9
- 【日 期】2000/5/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T G.776.3
ADPCM DCME Configuration Map Report Series G: Transmission Systems and media, Digital Systems and Networks Digital Transmission SDystems - Terminal Equipments - Operations, Administration and Maintenance Features of Transmission Equipment - Study Group 15
- 【日 期】2000/4/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T I.480
1+1 Protection Switching for Cell-Based Physical Layer Series I: Integrated Services Digital Network ISDN User-Network Interfaces - Aspects of ISDN Affecting Terminal Requirements - Study Group 13
- 【日 期】2000/3/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T X.34 CORR 1
Access to Packet Switched Data Transmission Services Via B-ISDN Corrigendum 1 Series X: Data Networks and Open System Communications Public Data Networks - Interface - Study Group 7
- 【日 期】2000/3/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T G.803
Architecture of Transport Networks Based on the Synchronous Digital Hierarchy (SDH) - Series G: Transmission Systems and Media, Digital Systems and Networks Digital Transmission Systems - Digital Networks - General Aspects - Study Group 13
- 【日 期】2000/3/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T I.762
ATM Over Fractional Physical Links - Series I: Integrated Services Digital Network B-ISDN Equipment Aspects - Multiplexing Aspects - Study Group 13
- 【日 期】2000/3/1
- 【語 言】English
- 【狀 態】Active
