This Recommendation focuses on the required functions and procedures necessary for support of narrow-band voice services by MPLS networks. ITU-T Rec. Y.1261 describes the service requirements and architecture for transport of voice services over MPLS networks.
ITU-T Y.1414 FRENCH-2004 Referenced Document
ITU-T G.711-1988 PULSE CODE MODULATION (PCM) OF VOICE FREQUENCIES
ITU-T G.722-1988 7 kHz Audio-Coding within 64 kBit/s - General Aspects of Digital Transmission Systems; Terminal Equipments Study Group XV and XVIII; Covering Note May 30, 2003
ITU-T G.723.1-1996 Dual Rate Speech Coder for Multimedia Communications Transmitting at 5.3 and 6.3 kbit/s - General Aspects of Digital Transmission Systems (Study Group 15) 31 pp
ITU-T G.727-1990 5- 4- 3- and 2-Bits Sample Embedded Adaptive Differential Pulse Code Modulation (ADPCM) (Study Group XV) 58 pp
ITU-T G.729-1996 Coding of Speech at 8 kbit/s Using Conjugate-Structure Algebraic-Code-Excited Linear-Prediction (CS-ACELP) - General Aspects of Digital Transmission Systems Study Group 15; 39 pp
ITU-T G.805-2000 Generic Functional Architecture of Transport Networks Series G: Transmission Systems and Media Digital Systems and Networks Digital Networks - General Aspects Study Group 13
ITU-T I.363.2-2000 B-ISDN ATM Adaptation Layer Specification: Type 2 AAL Series I: Integrated Services Digital Network - Overall Network Aspects and Functions - Protocol Layer Requirements Study Group 13*， 2024-04-19 Update
ITU-T I.366.2-2000 AAL Type 2 Service Specific Convergence Sublayer for Narrow-Band Services Series I: Integrated Services Digital Network Overall Network Aspects and Functions - Protocol Layer Requirements Study Group 13*， 2024-04-19 Update
ITU-T Y.1261-2002 Service requirements and architecture for voice services over Multi-Protocol Label Switching Study Group 13*， 2024-04-19 Update
ITU-T Y.1411-2003 ATM-MPLS network interworking Cell mode user plane interworking SERIES Y: GLOBAL INFORMATION INFRASTRUCTURE AND INTERNET PROTOCOL ASPECTS Internet protocol aspects Interworking Study Group 13