[Asterisk-Users] How does Vonage support fax machines?

[Huddleston, Robert]

I've got a handful of ATAs <Innomedia> that support two ports... I have one plugged in for voice for the house and the other I use for dialup internet.. ONLY for testing newly built dial-up computers that they can get online and surf... Gotten some pretty good speeds out of them too

Robert A. Huddleston, KF4BYY
Cavalier Telephone LLC.
(Desk) 804.422.4401
(Cell) 804.400.3686
rhuddleston at cavtel.com
 
 
 

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Deon
> Sent: Tuesday, July 05, 2005 12:07 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] How does Vonage support fax machines?
> 
> So they're doing it just like anybody else would, nothing 
> special and nothing rock-solid.  
> 
> A person with a not-so-good high speed internet connection, 
> who is able to push norma voice calls perfectly, would have 
> just as much problems sending faxes via Vonage as a PAP2-NA 
> connected to Asterisk and some Voice T1's.
> Vice versa, a person with a great internet connection should 
> be able to push faxes just as reliably through our setup vs Vonage. 
> 
> We have a lot of our own remote agents in the field, and 
> we've been giving them adapters so they can handle 
> sales/service/support calls from home.
> Some of them require a fax machine for invoices or whatnot 
> and we've been telling them to use their regular home line, 
> and if it's long distance they have to go through a procedure 
> to get reimbursement, we're trying to simplify their (and 
> our) lives by using these converters.
> 
> --- Lee Howard <faxguy at howardsilvan.com> wrote:
> 
> > Deon wrote:
> > 
> > >My boss is insisting we support fax, and I keep telling 
> him that Fax
> > over
> > >IP is very unreliable and not recommended and his 
> immediate come-back
> > is
> > >"Vonage does it." and it's very hard to figure out how.
> > >
> > >I don't think Vonage does T.38, the Linksys/Sipura units they're 
> > >using doesn't support T.38 to my knowledge.
> > >
> > >That means they have to be using G.711Ulaw to send faxes. 
> But how do
> > they
> > >compensate for packet loss/jitter/etc.
> > >  
> > >
> > 
> > They rely upon the resiliance of the fax endpoints... which 
> means that 
> > you will have great success with resiliant endpoints and 
> high-quality 
> > connections and you'll have fair-to-poor success with anything else.
> > 
> > Lee.
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> 
> 
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