[Freeswitch-users] send fax via google voice.

[Ken Rice]

What security reasons? Its just as easy to tap a PSTN line as it is to sniff
a network connection, the only difference is you might need a little bit
different hardware...

If it were about security, fax machines would actually encrypt a fax but
they don¹t... 


On 3/6/11 1:55 AM, "envelopes envelopes" <sunwood360 at gmail.com> wrote:

> 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, that¹s 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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>> 
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