"Traditional" PSTN Relay services
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Use analog technologies
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TTY
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ASCII modems
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7-1-1 access
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VCO, HCO, speech to speech are part of TRS
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Must route 9-1-1 calls to most appropriate PSAP and relay calls if requested
Long Description: Box one shows a woman typing a message on a TTY. Box two shows a Communication Assistant viewing a PC, wearing a headset, and calling a pizza shop. Box 3 shows a pizza shop worker taking a phone order.