On 6/26/12 6:08 PM, Mark Rejhon wrote: > On 2012-06-26 7:38 PM, "Kurt Zeilenga" <[email protected] > <mailto:[email protected]>> wrote: >> >> >> On Jun 26, 2012, at 4:30 PM, Kurt Zeilenga wrote: >> > Regarding stanza level encryption, if any encryption is used for any > message stanza to a particular (full) jid, it should be used for all. >> >> and as this likely is "too expensive" in a number of ways, likely > better to disable RTT when stanza level encryption is enabled. >> > > Understandable concern, but XEP-0301 is also an accessibility concern. > Deaf people like me, who cannot use the telephone -- should be able to > have every opportunity to initiate XEP-0301 if the software supports it. > > Forcing XEP-0301 supported software to turn off RTT by a spec > requirement rather than user preference, is tantamount to putting a > call-block on all incoming calls from deaf.... > > That would be a very discriminatory practice, would you think! > > Computers, networks, encryption is gradually becoming faster, and even > stanza-level encryption for RTT is still is less 'expensive' than a > video call, or an in-band file transfer.
I don't think Kurt was suggesting that the spec mandate turning off RTT if encryption is supported, but that it might be a wise thing for implementations to do in multi-resource scenarios. Peter -- Peter Saint-Andre https://stpeter.im/
