Good -- but also misses a major other user for real-time text, especially with elders, and that is captioning. Also for text one way and audio the next.
Without making it much longer - we can include these important but often overlooked (in an attempt to be brief) methods of communication. Addition to what Gunnar Hellström wrote On Jul 9, 2012, at 5:24 PM, : > 8.3 Textphones (Including TTY) > Real-time text is implemented in assistive text telephone devices that > operate on the PSTN (called TTY in North America), using various text > telephone modulation protocols such as those specified in ITU-T V.18 and its > annexes (e.g. Baudot, DTMF). It is possible to implement gateways between > them and XEP-0301 based real-time text, that can be combined with an audio > protocol e.g. XEP-0166 (e.g. for alternating audio and text or text one way > and audio the other). 8.x Use for Captioned Telephony XEP-0301 based real-time text can be combined with an audio protocol e.g. XEP-0166 to provide captioned telephony and can interoperate via gateways with other IP-based captioned telephony protocols such as SIP VoIP with RFC 4103.
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