[asterisk-users] Mobile phone codecs ...

Benny Amorsen benny+usenet at amorsen.dk
Thu Nov 1 07:09:24 CDT 2007


>>>>> "AM" == Anselm Martin Hoffmeister <anselm at hoffmeister-online.de> writes:

AM> Maybe the GSM codec is implanted to the "GSM chip" and that one
AM> does alaw, ulaw...

Also, modern handsets like the E90 rarely use the plain GSM codec.
They use newer codecs such as EFR whenever possible. Asterisk probably
won't support EFR anytime soon; it is patent encumbered and not
particularly suited for LAN or WLAN use.


/Benny





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