ITU H.248.33:2005
ITU H.248.33:2005 Gateway Control Protocol: Pcm Frame Spare Bit Package Provides support for spare bits S[i] and S[a4]-S[a8], which are defined for the ITU-T Rec. G.704 2048 kbit/s basic frame structure.
Table of Contents
1Scope2References
2.1Normativereferences
2.2Informativereferences
3Definitions
4Abbreviations
5PCMsystemsandE1operationmodes
5.1Backgroundfromtransmissionperspective
5.2PCMsystemsforE1
5.3E1operationmodes
5.4ConclusionforthePCMFrameSpareBitpackage
6PCMFrameSpareBitpackage
6.1Properties
6.2Events
6.3Signals
6.4Statistics
6.5Errorcode
6.6Procedures
AnnexA-Sparebitcoding
A.1Sub-multiframebasedcodewordcoding
A.2Singlebitcoding