On Thu, Nov 01, 2007 at 01:09:24PM +0100, Benny Amorsen wrote: > >>>>> "AM" == Anselm Martin Hoffmeister <[EMAIL PROTECTED]> 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.
GSM networks are circuit switched and use 13Kb/s slots (i.e. GSM codec is 13Kb/s codec). 3G should just be data, so there's a wider choice of codecs. Steve -- NetTek Ltd UK mob +44-(0)7775 755503 UK +44-(0)20 79932612 / US +1-(310)8577715 / Fax +44-(0)20 7483 2455 Skype/GoogleTalk/AIM/Gizmo/Mac stevekennedyuk / MSN [EMAIL PROTECTED] Euro Tech News Blog http://eurotechnews.blogspot.com _______________________________________________ --Bandwidth and Colocation Provided by http://www.api-digital.com-- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
