Ericsson Tells FCC Staff of TTY to RTT Challenges
Ericsson executives briefed FCC staff on the complexity of offering real-time text (RTT) instead of traditional text technology (TTY), as required by the regulator. “To transfer information from IP-based networks using RTT to legacy circuit-switched networks using TTY, operators must…
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incorporate multiple gateways (depending on which systems require interconnection),” said Thursday's posting in docket 16-145. Activating RTT requires several steps, starting with the introduction of voice over LTE “and then adding hardware and/or software conversion for enabling RTT to TTY conversations,” the company said.