[Asterisk-biz] IAX2 Bandwidth Study

[Michael Giagnocavo]

Blocking ports? As in ISPs? Yea, some ISPs do that (esp. when they are
telcos). In fact, a telco here prohibits you from using their service with
voip (in their contract). They block Net2Phone as well. And, if you're using
SIP, they have one or two NATs that do not play nicely. (This is in
Guatemala.) I'm sure other countries will find similar things.

-Michael

-----Original Message-----
From: asterisk-biz-bounces at lists.digium.com
[mailto:asterisk-biz-bounces at lists.digium.com] On Behalf Of Business
Communications Net
Sent: Monday, February 07, 2005 8:20 PM
To: Commercial and Business-Oriented Asterisk Discussion
Subject: RE: [Asterisk-biz] IAX2 Bandwidth Study

There are some really good points coming up here, the g729 i have
purchase, but it does not work on Free BSD?
I am on a cable connection, the up is 256 to 384 and the down is 3.5
megs,  I would like to have the g729 working on my box. we have put
Linux on so we can get it to work, but still no luck,....... so let me
get this striate, , , , if you have the band with, g711 is okay to use,
 Hummm,

is there any one out there blocking the ports that voip works on,  I am
hearing story's, could some on clear this matter up, thanks.



> -------- Original Message --------
> Subject: RE: [Asterisk-biz] IAX2 Bandwidth Study
> From: "Michael Giagnocavo" <mgg-digium at atrevido.net>
> Date: Mon, February 07, 2005 8:23 pm
> To: "'Commercial and Business-Oriented Asterisk Discussion'"
> <asterisk-biz at lists.digium.com>
>
> Nick Bachmann wrote:
> >Yes, you can, but you don't really want to. G.729 doesn't sound all that
> >great unless you're in a quiet room.  Other codecs that use more
> >bandwidth sound better.
>
> Huh? G729 sounds very good. Much better than GSM IMO. And at 8k (for the
> voice) it's pretty small too. If you can afford it (CPU and license-wise),
> G729 is great. If you have the extra bandwidth, then go with G711 of
course.
> But the OP said:
>
> "posted this to the User list but it might actually be more appropriate
> here.  Believe me this is a business question when 128K line costs me
> $250/month, and 256K is $500 and so on."
>
> So in this case, using G729 would be quite justified.
>
> -Michael
>
>
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