Michael: on your issue related to buring the DOM ... if you can get into the BIOS and get the box to BOOT off your USB dongle, you should be able to control the BOOT order ... this means you might be able to use a USB CDROM as your boot device ... then boot something like KNOPPIX and use "dd" to push your boot image to the DOM ... or for that matter, just boot the live CD version of Astlinux which I think gives you the option to do a hard drive install ... bottom line is the DOM is so much faster than the USB dongle, it is worth struggling with it a bit to get it working ... I have even seen IDE "gender changers" on the web for less than $10 that will put male pins on your DOM so you can put it in another machine as the slave to boost your boot image ... have you already tried these methods and struck out ??? G.Hendershot
_____ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Michael Graves Sent: Wednesday, December 06, 2006 11:57 AM To: Discussion of AstLinux - Asterisk on Compact Flash; [EMAIL PROTECTED] Subject: Re: [Astlinux-users] which codecs to use? I simply burn the Generic 586 image to a USB key, then create two additional partitions. The third partition holds the config data & VM. I could not find a convenient way to burn the image to the 256 MB DOM card that's fitted internally so I removed that module. If you can rig a wiring harness to connect that DOM to an IDE controller you should be able to burn the image to it instead of the USB key. Michael --Original Message Text--- From: olivier.taylor Date: Wed, 06 Dec 2006 17:43:26 +0100 just seen you use an hp thin client, I just got a hp 5500 via 800Mhz one. what's the way to install astlinux on it? Soekris as you said is not powefull enough for the transcoding when having more than 2 or 3 simultaneous calls. Regards, Olivier Michael Graves a écrit : Carla, There can be both performance and licensing issues. G.729a is the most widely used high quality compressed codecs, but you needs to buy licenses from Digium...$10 per stream. Digium provides this as a service, passing the license fees on to the patent holder. It's CPU intensive so a Soekris Net4801 will only encode/decode two calls using G.729a. I presently run Astlinux on a H-P T5700 thin client with a 1 GHz CPU. It can transcode 5-6 calls. See voip-info.org for "system dimensioning" to see details on larger systems. There are DSP cards that can add to suitable hosts to move the transcoding activity off the host CPU. These are good but costly solutions. As a practical matter if you're dealing with known ITSPs or peers then you should be able to limit the codecs required and G.729s may not be an issue. In fact ILBC may not be an issue. G.711a/u and GSM get it done for a lot of providers. Michael On Tue, 5 Dec 2006 22:40:40 -0800, Carla Schroder wrote: Gah, so it depends on whatever the people calling my network are using? Is there any downside to allowing all codecs, like performance issues? Assume a magical world with no licensing hassles for proprietary codecs. :) On Tuesday 05 December 2006 18:38, Michael Graves wrote: Carla, The system will offer to negotiate a connection with the allowed codecs. If it cannot then the call will simply be refused. You can allow GSM and ILBC as these are royalty free and commonly used. If you find that ILBC calls are poor quality you can always rem out that line later on. Noe also that you can specify the codecs in the general section and also on a per peer basis. Michael On Tue, 5 Dec 2006 18:02:24 -0800, Carla Schroder wrote: hey all, How do you decide which codecs to allow in sip.conf? A typical configuration looks like this: disallow=all allow=alaw allow=ulaw What happens when a call comes in that uses a different codec? Any pointers to a good reference are welcome. -- -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Carla Schroder Linux geek and random computer tamer check out my Linux Cookbook! http://www.oreilly.com/catalog/linuxckbk/ best book for sysadmins and power users ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ _______________________________________________ Astlinux-users mailing list [email protected] http://lists.kriscompanies.com/mailman/listinfo/astlinux-users Donations to support AstLinux are graciously accepted via PayPal to [EMAIL PROTECTED] -- Michael Graves [EMAIL PROTECTED] Sr. Product Specialist www.pixelpower.com Pixel Power Inc. [EMAIL PROTECTED] o713-861-4005 o800-905-6412 c713-201-1262 skye mjgraves fwd 54245 _______________________________________________ Astlinux-users mailing list [email protected] http://lists.kriscompanies.com/mailman/listinfo/astlinux-users Donations to support AstLinux are graciously accepted via PayPal to [EMAIL PROTECTED] -- Michael Graves [EMAIL PROTECTED] Sr. Product Specialist www.pixelpower.com Pixel Power Inc. [EMAIL PROTECTED] o713-861-4005 o800-905-6412 c713-201-1262 skye mjgraves fwd 54245
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