My remote 64kbit connection would only be used for VoIP and NOTHING else! No email, no browsing. Besides, my remote 64kbit guaranteed-bandwidth connection changed into a 256/512 ADSL connection from the same telco provider (that's actualy waaaay cheeper then the other 64kbit guaranteed connection)
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:asterisk-users- > [EMAIL PROTECTED] On Behalf Of Jolly M. Recto > Sent: Friday, February 03, 2006 5:45 AM > To: Asterisk Users Mailing List - Non-Commercial Discussion > Subject: Re: [Asterisk-Users] (newby) IAX Trunk on low bandwidth > connection > > hi, > > I am just like yours a Satellite HUB operator that providing a voip. > Before i am providing a ptp h323 with g723 codec boxes ranging 2 to 4 > port at 64kbps upstream and shared 2mbps downstream and now i come up to > put asterisk using a g723 and g729 of digium but not work for me because > when the remote end used data like email, browsing the voice suffer the > quality. I look back on my last experiment and i see that SER and > OPENSER is much better solutions to provide just a voice and voicemail > to call out. The 64kbps with Qos in the remote config will help a lot > better to provide a 99 % satisfaction to the customer. > > //jollyr > Cosmin Prund wrote: > > > At my HQ I'm instaling a 128kbit leased line connection, with > > guaranteed bandwidth to the Internet; The telco promises less then 20 > > ms to the internet (to ronix.ro), no jitter and no packet loss. So I'm > > hoping for 40 ms times to net and small jitter J This is my "hub". > > > > For my "satelite" instalations I'm planning on grabing a connection > > from a different provider (as this telco provider is expensive) but > > I'm also considering a 64kbit leased line from the same provider, just > > in case my VoIP doesn't work with the cheeper providers. My remote > > instalations will never have more then one "conversation" load, and > > this conversation would be ZAP to IAX or SIP. That is, the distant > > instalation will need to forward all calls coming in on the zap chanel > > to my HQ Asterisk. That's all it will ever do J. I'm not sure > > "trunking" woud provide anything in this case as there will never be > > more then one concurent conversation from the remote * to my HQ *. I'm > > expecting IAX to provide better performance over SIP but not by much. > > > > Considering my remote * instalations will never have more then one > > concurent conversation with my HQ and considering I can get a really > > good 64kbit line I guess I'm OK. As for my HQ, I'm sure I'm OK because > > I'll get a 128 kbit line and I'll be able to afford an upgrade to > > 256kbit. I can actually go all the way to 2048 kbit, but that would no > > longer be economically viable. > > > > So I'll see how it goes, and I hope I'll have the time to put in a > > comment on the "low bandwidth" wiki on voip-info.org. > > > > Thanks to everyone for your help. > > > > ------------------------------------------------------------------------ > > > > *From:* [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] *On Behalf Of *tim > panton > > *Sent:* Thursday, February 02, 2006 11:05 AM > > *To:* Asterisk Users Mailing List - Non-Commercial Discussion > > *Subject:* Re: [Asterisk-Users] (newby) IAX Trunk on low bandwidth > > connection > > > > On 2 Feb 2006, at 08:09, Cosmin Prund wrote: > > > > > > > > Brrghhh: Bandwidth calculation is really foggy for me: > > > > Using the calculator I'm getting about 23 kbps for both incoming and > > outgoing. What does this mean: Is a 64kbit link used at 71% capacity > > ((23+23):64) or is it used at only 35% (23:64)? Will this vary over > > time (i.e: does the codec generate more then average data at times? > > How about less then average?) > > > > It depends on what sort of link you have. Most links are full duplex > > (leased lines etc) which would be 35% > > > > but some radio based links are half duplex which would be 71% > > > > So for a 64k link you will (just about) get 3 729 calls. > > > > If all the calls between are between the same two servers, you can use > > IAX trunking, which would push > > > > you up to 5 calls. (What that tells you is that for 729 and gsm, the > > headers are as big as the data). > > > > You talk about satellite stations, if you are going for a hub and > > spoke, you should put the hub > > > > on the highest bandwidth link. > > > > > > > > Thanks. > > > > ------------------------------------------------------------------------ > > > > *From:* [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] *On Behalf Of *Rob Lith > > *Sent:* Wednesday, February 01, 2006 11:40 PM > > *To:* Asterisk Users Mailing List - Non-Commercial Discussion > > *Subject:* Re: [Asterisk-Users] (newby) IAX Trunk on low bandwidth > > connection > > > > What codec is that using. G.729 will give you 10 calls at best over > > 256k unless you're trunking with IAX2? I don't know anyone using > lpc10... > > > > Remember a G.729 8k codec turns into 23.63 Kbps with all the > overheads... > > > > Regards > > Rob > > > > On 2/1/06, *Garth van Sittert* <[EMAIL PROTECTED] > > <mailto:[EMAIL PROTECTED]>> wrote: > > > > Hi Cosmin > > > > You should be able to get about 12 simultaneous calls on a 128k line and > > about 28 on a 256k line according to asteriskguru's bandwidth calculator > > http://www.asteriskguru.com/tools/bandwidth_calculator.php. > > > > Kind Regards > > Garth > > > > BitCo Data Communications > > http://www.bitco.co.za > > > > Cosmin Prund wrote: > >> Hello everyone, this is my first post to the list, so hello again. > >> > >> We're a small company in Romania and we're trying to set up a really > > small > >> version of "call center". That is, we want to get a few land-lines > > from our > >> telco in different countys and "bridge" all calls to our HQ, in order > to > >> make it cheeper for our clients to call us. > >> > >> Unfortunatelly there's no ISP in our area that can deliver a broadband > >> connection for anything less then an arm and a leg, so we're > considering > >> runing an * <-> * connection using VoIP over a low bandwidth connection > >> (we're considering 128kbit but we might be able to go to 256kbit). > >> > >> The bandwidth price is not a problem for our "satelite" > > installations, we > >> cand get acceptably priced broadband (~256kbit) so the distant *'s > > will have > >> propper connections. > >> > >> My question: > >> > >> Is 128kbit a wide enough connection for 1 simultaneous conversation, > > using > >> IAX protocol with the comercial version of the g729 codec? > >> > >> I'm expecting this to be engough for more then 1 conversation (after > > all a > >> single line analog connection is rated at 64kbit and I'm getting > > double that > >> bandwidth) > >> > >> Cosmin Prund > >> > >> > >> _______________________________________________ > >> --Bandwidth and Colocation provided by Easynews.com > > <http://Easynews.com> -- > >> > >> Asterisk-Users mailing list > >> To UNSUBSCRIBE or update options visit: > >> http://lists.digium.com/mailman/listinfo/asterisk-users > > <http://lists.digium.com/mailman/listinfo/asterisk-users> > >> From - Wed > >> > > > > -- > > Garth van Sittert > > BSc (Physics & Computer Science) > > ----------------- > > Mobile: +27 (0)83 791 6662 > > Email: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > > Phone: 08600 BITCO > > Web: www.bitco.co.za <http://www.bitco.co.za> > > > > _______________________________________________ > > --Bandwidth and Colocation provided by Easynews.com > > <http://Easynews.com>-- > > > > Asterisk-Users mailing list > > To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/mailman/listinfo/asterisk-users > > > > _______________________________________________ > > > > --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 > > > > http://www.westhawk.co.uk/ > > > >------------------------------------------------------------------------ > > > >_______________________________________________ > >--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 > > > > > > _______________________________________________ > --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 _______________________________________________ --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
