File list (Check if you may need any files):
G.723.1
.......\ACB
.......\...\DecodeACB.m
.......\...\DecodeACBSF.m
.......\...\FixForbiddenCodes.m
.......\...\GetACB.m
.......\...\PitchContrib.m
.......\...\private
.......\...\.......\GetGainRange.m
.......\...\.......\GetRtx.m
.......\...\.......\UpdatePitchTame.m
.......\...\RepExc.m
.......\...\SetPitchpar.m
.......\...\SetSineDetpar.m
.......\...\SineDetector.m
.......\ACELP
.......\.....\ACELPContrib.m
.......\.....\GenExcACELP.m
.......\.....\private
.......\.....\.......\DecodeStreamACELP.m
.......\.....\SetACELPpar.m
.......\Audio
.......\.....\OpenAudioFile.m
.......\.....\private
.......\.....\.......\AFrawRead.m
.......\.....\ReadAudioData.m
.......\.....\WriteAudio.m
.......\BitStream
.......\.........\ApplyErrorFile.m
.......\.........\private
.......\.........\.......\GetQCodes.m
.......\.........\.......\SetQCodes.m
.......\.........\ReadG7231Stream.m
.......\.........\test
.......\.........\....\MA01_02.bit
.......\.........\....\tBitStream.m
.......\.........\WriteG7231Stream.m
.......\CNG
.......\...\CNGUpdate.m
.......\...\GenExcNull.m
.......\...\GenExcSID.m
.......\...\private
.......\...\.......\CNGMP.m
.......\...\.......\CNGPitch.m
.......\...\.......\GenExcCNG.m
.......\...\.......\QuantL.m
.......\...\.......\RandIntV.m
.......\...\SetCNGpar.m
.......\DataFile
.......\........\GenExcDAT.m
.......\........\ReadG7231Data.m
.......\Documentation
.......\.............\G.723.1-Impl-2009-07.pdf
.......\Filter
.......\......\PZFilter.m
.......\G7231Coder.m
.......\G7231Decoder.m
.......\InitCoderMem.m
.......\InitDecoderMem.m
.......\LP
.......\..\LPanal.m
.......\..\LPanalFrame.m
.......\..\LPFilt.m
.......\..\LPxLSFQ.m
.......\..\LSFCxLPI.m
.......\..\LSFxLPI.m
.......\..\private
.......\..\.......\LSFxLP.m
.......\..\SetLPpar.m
.......\..\SetLSFpar.m
.......\..\WSyn.m
.......\..\WSynInit.m
.......\Misc
.......\....\ClipSignal.m
.......\....\CodeGain.m
.......\....\CombineVals.m
.......\....\ExtractVals.m
.......\....\FullName.m
.......\....\NullStruct.m
.......\....\RepShift.m
.......\....\ShiftVector.m
.......\....\test
.......\....\....\tExtractVals.m
.......\....\TickTock.m
.......\MultiPulse
.......\..........\GenExcMP.m
.......\..........\MPCode.m
.......\..........\MPContrib.m
.......\..........\MultiPulse.m
.......\..........\private
.......\..........\.......\DecodeStreamMP.m
.......\..........\SetMPpar.m
.......\..........\test
.......\..........\....\SumComb.m
.......\..........\....\tAdjRange.m
.......\..........\....\TestCombCode.m
.......\PLC
.......\...\GenExcPLC.m
.......\...\PLCUpdate.m
.......\PostFilter