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#95612 by newt1
Sun May 06, 2012 9:18 pm
This is a general telecom question.

Sprint has announced that they are offering HD Voice on the upcoming HTC EVO 4G LTE handsets. I know that Sprint uses a different audio codec than Ooma (EVRC-NW vs G.722).

Is there some kind of transcoding that occurs when Sprint HD Voice phone calls connect to Ooma (or other VOIP HD Voice systems)? If someone with a Sprint HD Voice cell phone calls my Ooma phone, will I hear their HD voice? Will they hear mine?

I don't know who would do this transcoding (Sprint? Ooma?) or if it is even possible.

Addon: eventually, when LTE is everywhere, cell phones will offer voice-over LTE (VoLTE), which uses yet another codec: AMR, so I have the same question for VoLTE.




(I realize that one solution is to put Ooma Mobile on the phone and use it for your phone calls, but that won't work for talking to someone that isn't doing that).

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