VCO CALLING
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VCO
CALLING
CHAPTER
People who cannot hear but wish to speak for themselves can
make voice carry-over (VCO) calls. During a VCO call one per-
son speaks into the handset while the other person types on a
text-telephone keyboard. The Uniphone 1150 is ideal for VCO
calling, because it combines a telephone and a text telephone
into one unit.
You can make VCO calls in Baudot, EDTN, CCITT, and Turbo
Code codes.
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