protected void AddDtmfCode(DtmfCode newDtmfCode)
{
int index = DtmfCodes.FindIndex((dtmfCode) => { return(newDtmfCode.NtpTimestamp > dtmfCode.NtpTimestamp); });
DtmfCodes.Insert(index + 1, newDtmfCode);
}
protected void AddDtmfCode(DtmfCode newDtmfCode)
{
int index = DtmfCodes.FindIndex((dtmfCode) => { return newDtmfCode.NtpTimestamp > dtmfCode.NtpTimestamp; });
DtmfCodes.Insert(index + 1, newDtmfCode);
}