I am thinking about using the G729 codecs on my endpoint devices and purchasing some G729 licenses for Asterisk but I have several questions: 1. Which G729 codec is sold by Digium for Asterisk, G729, G729A, B...I? 2. If I have G729A on one end and G729B on the other, are they compatible? I have looked all over the place for question 2, but without buying the ITU docs I cannot seem to find this answer. I know that G729A is low complexity which seems to be what Cisco 7960's use but I have some others that support G729B which has comfort noise and reduced transmission during silence. If anyone knows how the different G729 codecs interoperate I would be eager to know. Thanks.
It doesn't matter ... A & B are compatible On Thu, 18 Dec 2003, Clif Jones wrote:> I am thinking about using the G729 codecs on my endpoint devices and > purchasing some G729 licenses for Asterisk but I have several questions: > > 1. Which G729 codec is sold by Digium for Asterisk, G729, G729A, B...I? > 2. If I have G729A on one end and G729B on the other, are they compatible? > > I have looked all over the place for question 2, but without buying the > ITU docs > I cannot seem to find this answer. I know that G729A is low complexity > which > seems to be what Cisco 7960's use but I have some others that support G729B > which has comfort noise and reduced transmission during silence. If > anyone knows > how the different G729 codecs interoperate I would be eager to know. > Thanks. > > > _______________________________________________ > Asterisk-Users mailing list > Asterisk-Users@lists.digium.com > http://lists.digium.com/mailman/listinfo/asterisk-users >
Found it. Anyone interested can look in RFC3551 "RTP Profile for Audio and Video Conferences with Minimal Control". You can piece together that G.729, G.729a & G.729b will play together and the other annexes will not due to bandwidth differences. Clif Jones wrote:> I am thinking about using the G729 codecs on my endpoint devices and > purchasing some G729 licenses for Asterisk but I have several questions: > > 1. Which G729 codec is sold by Digium for Asterisk, G729, G729A, B...I? > 2. If I have G729A on one end and G729B on the other, are they > compatible? > > I have looked all over the place for question 2, but without buying > the ITU docs > I cannot seem to find this answer. I know that G729A is low > complexity which > seems to be what Cisco 7960's use but I have some others that support > G729B > which has comfort noise and reduced transmission during silence. If > anyone knows > how the different G729 codecs interoperate I would be eager to know. > Thanks. > > > _______________________________________________ > Asterisk-Users mailing list > Asterisk-Users@lists.digium.com > http://lists.digium.com/mailman/listinfo/asterisk-users >
Hi Clif, My experience with G.729 and asterisk is not good. My first registration was good, it worked. Then I bought more license and tried to upgrade it, it blew everything off. Still waiting Digium support to give me a helping hand. If you use pass-through feature then I guess you are fine. I have SIP users going to h.323 g/w and I need g.729. So now I have it in pass-through mode, I think that requires less CPU overhead and I do not have to mess with licenses. Cheers SW Message: 5 Date: Thu, 18 Dec 2003 13:59:06 -0500 From: Clif Jones <ctjones@earthlink.net> To: asterisk users <asterisk-users@lists.digium.com> Subject: [Asterisk-Users] G729 question Reply-To: asterisk-users@lists.digium.com I am thinking about using the G729 codecs on my endpoint devices and purchasing some G729 licenses for Asterisk but I have several questions: 1. Which G729 codec is sold by Digium for Asterisk, G729, G729A, B...I? 2. If I have G729A on one end and G729B on the other, are they compatible? I have looked all over the place for question 2, but without buying the ITU docs I cannot seem to find this answer. I know that G729A is low complexity which seems to be what Cisco 7960's use but I have some others that support G729B which has comfort noise and reduced transmission during silence. If anyone knows how the different G729 codecs interoperate I would be eager to know. Thanks.
Hi SW,
The procedure is,
1. Submit the old registration key
2. Get the new License Key. ( Old + New )
3. Then install with a single registration key.
(You can try to ask for the procedure how to destroy your previous
license, that will make asterisk clean)
If you try to upgrade the existing license then it will blew of even the
existing licensel. You can contact Digium and submit your previous key and
get a new key which can give you the total licenses in a single key.
Kannaiyan
> Hi Clif,
>
> My experience with G.729 and asterisk is not good.
>
> My first registration was good, it worked. Then I bought more license and
> tried to upgrade it, it blew everything off. Still waiting Digium support
to> give me a helping hand.
>
> If you use pass-through feature then I guess you are fine. I have SIP
users> going to h.323 g/w and I need g.729. So now I have it in pass-through
mode,> I think that requires less CPU overhead and I do not have to mess with
> licenses.
>
> Cheers
>
> SW
Hi Kannaiyan, I did that five days ago, still waiting Digium to provide me with the combined license key. I think Digium has to go to the license owner for this. thanks SW> -----Original Message----- > From: Kannaiyan Natesan [mailto:nkans@lycos.co.uk] > Sent: Thursday, December 18, 2003 5:35 PM > To: asterisk-users@lists.digium.com; sathyaw@sbcglobal.net > Cc: ctjones@earthlink.net > Subject: G729 question > > > Hi SW, > > The procedure is, > > 1. Submit the old registration key > 2. Get the new License Key. ( Old + New ) > 3. Then install with a single registration key. > (You can try to ask for the procedure how to destroy your previous > license, that will make asterisk clean) > > If you try to upgrade the existing license then it will blew of even the > existing licensel. You can contact Digium and submit your previous key and > get a new key which can give you the total licenses in a single key. > > Kannaiyan > > > > Hi Clif, > > > > My experience with G.729 and asterisk is not good. > > > > My first registration was good, it worked. Then I bought more > license and > > tried to upgrade it, it blew everything off. Still waiting > Digium support > to > > give me a helping hand. > > > > If you use pass-through feature then I guess you are fine. I have SIP > users > > going to h.323 g/w and I need g.729. So now I have it in pass-through > mode, > > I think that requires less CPU overhead and I do not have to mess with > > licenses. > > > > Cheers > > > > SW > > > >
You need a license for each end. -----Original Message----- From: Dinesh [mailto:dinesh@imcb.a-star.edu.sg] Sent: Tuesday, January 20, 2004 8:41 PM To: asterisk-users@lists.digium.com Subject: [Asterisk-Users] RE: G729 question Hi All, I am looking into setting up my asterisk server in the next couple of days, and came across the G.729 codec. I have got the TDM dev kit from Asterisk and want to try the new codec. But for that, do I need to buy 2 or just 1? I am bit unsure of the licensing needs. Any help is appreciated. Dinesh. DISCLAIMER: This email is confidential and may be privileged. If you are not the intended recipient, please delete it and notify us immediately. Please do not copy or use it for any purpose, or disclose its contents to any other person as it may be an offence under the Official Secrets Act. Thank you. _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users