[Freeswitch-users] send fax via google voice.

[envelopes envelopes]

that is not true.

Real estator/law firm/accounting offices/travel agents...many of them still
prefer fax for security reasons.
I am always worried about sending my driver license pdf file via e-mail.



On Sat, Mar 5, 2011 at 11:34 PM, curriegrad2004 <curriegrad2004 at gmail.com>wrote:

> That's why PDF's/XPS/tiff's have replaced fax completely. Not many
> people out there still do have a fax machine :)
>
> On Sat, Mar 5, 2011 at 10:56 PM, Ken Rice <krice at freeswitch.org> wrote:
> > Ok
> >
> > will sending a fax over it work... The answer is yes it will work..
> > will it work reliably, no
> >
> > Faxing just needs to die already...
> > The problem you have here with Faxing over G711 (PCMU or PCMA) is that
> > faxing uses a modem to encode a digital signal into an analog carrier
> meant
> > for a circuit switch voice network with a constant amount of delay and
> > guaranteed delivery of the entire analog stream
> >
> > VoIP by definition is Voice Over Internet Protocol... IP is a packet
> > switched network, where you can no guarantee a constant amount delay
> > (latency) ... Not to mention it is not common to see a udp packet or 2
> > missing along the way.
> >
> > Where as 1 20ms packet may not seem like much to you, that’s roughtly
> > equivalent to 575bytes of data in the fax and it will screw up the fax
> > either causing a corruption of the data, or a drop in the analog modem
> > carrier which requires a retrain...
> >
> >
> >
> >
> > On 3/5/11 11:35 PM, "envelopes envelopes" <sunwood360 at gmail.com> wrote:
> >
> > ok,
> >
> > Reliability is a different issue. I am just wondering whether
> mod_dingaling
> > supports fax via GV. because someone proved sending fax via GV from fax
> > machine did work
> > .(http://www.magicjacksupport.com/faxing-via-google-voice-t7412.html).
> >
> >
> >
> > On Sat, Mar 5, 2011 at 9:18 PM, curriegrad2004 <curriegrad2004 at gmail.com
> >
> > wrote:
> >
> > And relativity comes into play too.
> >
> > Also you do need to realize that the packets sent via UDP isn't
> > guaranteed to be in order as the fax machine expects the data to be
> > sent in order, not out of order. That's the beauty of packet switched
> > networks.
> >
> > On Sat, Mar 5, 2011 at 7:29 PM, Steve Underwood <steveu at coppice.org>
> wrote:
> >> On 03/06/2011 11:21 AM, envelopes envelopes wrote:
> >>>
> >>> Why is PCMU codec not reliable?
> >>>
> >>>
> >> Unsynchronised clocks, and packet loss.
> >>
> >> Steve
> >>
> >>
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