2 Definitions and Abbreviations

26.2303GPPCellular text telephone modemRelease 17Transmitter bit exact C-codeTS

For the purposes of this TS, the following abbreviations apply:

CTM Cellular Text Telephone Modem

FEC Forward Error Correction

FSK Frequency Shift Key

HCO Hearing Carry Over, (individual may be able to hear, but cannot speak) Alternating transmission of speech and text.

PCM Pulse Code Modulation

RX Receive

TX Transmit

TTY Text Telephone

UCS Universal Multiple-Octet Coded Character Set

UTF UCS transformation format

VAD Voice Activity Detection

VCO Voice Carry Over, Alternating transmission of speech and text