----- Original Message -----
Sent: Sunday, March 06, 2011 11:55
AM
Subject: Re: [Freeswitch-users] send fax
via google voice.
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 don’t...
On 3/6/11
1:55 AM, "envelopes envelopes" <sunwood360@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@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@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@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@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@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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