Biggest feature: You need a patent license to use the codec. The intel software does not include a patent license.
Matthew Rubenstein wrote: > Thank you, that is excellent advice. > > I understand that Intel has a free g729 codec, and that there might be >others. Free g729 codecs cheat Digium of some income that helps keep >them producing free Asterisk (and hosting lists like this one), but what >other reasons (quality, performance, missing features) would make the >Digium (or other $) license worth paying for? > > >On Mon, 2007-01-08 at 14:40 +0000, Thomas Kenyon wrote: > > >>Matthew Rubenstein wrote: >> >> >>> I connect to a PSTN carrier over SIP which requires me to connect with >>>a g729 codec. I'm using them for just robocalling: Asterisk server >>>originates calls which play a prerecorded file. Can I pre-encode those >>>stored files in g729 so they don't need to be encoded for each call? >>> >>> >>Yes, if you are using asterisk 1.4 then in the CLI you can type: >> >>convert >><filename-including-path-if-not-in-asterisk-sounds-folder>.<original >>extension> <filename-including-path-if-not-in-asterisk-sounds-folder>.g729 >> >>so convert recording.ulaw recording.g729 >> >>Will make a permanent copy not requireing transcoding again. >> >>If you are using asterisk 1.2, there is a tool on the asteriskguru site >>to transcode the file for you. >> >>http://www.asteriskguru.com/tools/audio_conversion.php >> >> >> >>>If >>>so, do I need a g729 license for each call, or just a license for the >>>preencoder? >>> >>> >>You will need a license for when the file is encoded, after that if it >>is played back on a g729 call you will not need a license. Asterisk will >>automatically choose the lowest cost file to playback (which one in >>natvie format will be). >> >> > If the robocalls accept incoming DTMF, do I need g729 >> >> >>>licenses for those calls? >>> >>> >>> >>You only need a license when you are transcoding, if you have an >>incoming call that is g729 and you terminate the call to a device that >>is configured to use g729 then you will not need a license. >> >>If you are recording the call then you will need (possibly 2) llicenses. >> >>DTMF signals do not require a license (although the device generating >>them needs to be configured to use RFC 2833 or Out of Band for DMTF >>encoding). >> >> _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
