Re: Why do I want WiFi?

2007-01-18 Thread Renaissance Man

You might like to read the FAQ Gabriel:
http://www.truphone.com/scn/blog/faq.tru

On 18 Jan 2007, at 12:25 pm, Gabriel Ambuehl wrote:

Doesn't really say how it works. "An all  SIP solution" doesnt  
really sound like it could ever be seamless with GSM. I'd really  
like to know just how this supposed to work, because if they pulled  
this off, it would be really huge.


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Re: Why do I want WiFi?

2007-01-18 Thread Andreas Kostyrka
* Renaissance Man <[EMAIL PROTECTED]> [070118 03:28]:
> On 18 Jan 2007, at 2:14 am, Jean-Philippe Monteiro wrote:
> 
> >Why do I want WiFi? ... NOT to make expensive VoIP calls in airports - if I 
> >want to spend money in airports, there are plenty of other ways...
> 
> Yeah you could make expense GSM calls instead. Naturally you're much better 
> off using WiFi when it's freely accessible, but of course if your device is 
> intelligent enough it will 
> seamlessly swap between the two, using WiFi when it's available and GSM when 
> it's not (and vice versa), just as Truphone does.
No, make cheap GSM calls. As I've pointed out, there are already
plenty of options for cheap calls that work with any phone.

Just make it have a suitable nice UI, and you are all set.

> >I want WiFI so that the Phone is a real part of my network, allowing Sync's 
> >& Backups, move/consultation of files over standard smb:// protocol: safe, 
> >fast, secure, you choose what to 
> >share & what not.
>
> I think the iPhone's got it right on this one. Using WiFi for syncing when 
> you can use a cable/dock makes more sense to me battery wise.
???

Andreas

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Re: Why do I want WiFi?

2007-01-18 Thread Andreas Kostyrka
* Paul Bohme <[EMAIL PROTECTED]> [070118 13:58]:
> Gabriel Ambuehl wrote:
> >On Thursday 18 January 2007 09:54, Renaissance Man wrote:
> >  
> >>>Seamless swapping needs the carriers' help. And they won't do it
> >>>for free, rest assured.
> >>>  
> >>Already being done. See http://truphone.com
> >>
> >
> >Doesn't really say how it works. "An all  SIP solution" doesnt really sound 
> >like it could ever be seamless with GSM. I'd really like to know just how 
> >this supposed to work, because if 
> >they pulled this off, it would be really huge.   
> 
> Perhaps if were drop the assumption that it would try to go from IP-based SIP 
> call to GSM voice call.  What if the phone were simply smart enough to go 
> from wifi to GPRS - then it's 
> more a matter of having the endpoints able to withstand an IP address change 
> mid-call.  Something like that could go BT->wifi->GPRS and back without 
> missing a beat - assuming that each 
> step of the way involved a working IP address and the software were smart 
> enough..

Problem here, no GRPS is fast enough to handle the 100kbit/s upload
needed. Even UMTS would be extremly stretched on this point.
(UMTS-HSDPA would satisfy the requirements of VoIP sipphones.)

And that all assumes that you can get an UMTS flatrate that allows for
sipphones. (E.g. the Eplus one in Germany explicitly forbids VoIP ;) )

Andreas

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Re: Why do I want WiFi?

2007-01-18 Thread Richard Bennett
On Thursday 18 January 2007 13:25, Gabriel Ambuehl wrote:
> On Thursday 18 January 2007 09:54, Renaissance Man wrote:
> > > Seamless swapping needs the carriers' help. And they won't do it
> > > for free, rest assured.
> >
> > Already being done. See http://truphone.com
>
> Doesn't really say how it works. "An all  SIP solution" doesnt really sound
> like it could ever be seamless with GSM. I'd really like to know just how
> this supposed to work, because if they pulled this off, it would be really
> huge.
Hi,
I was at their presentation at VON Berlin, and if I understand correctly, they 
will try to send an incoming call to your SIP UA first, and if it is 
unreachable they will forward it to your GSM line.
The same goes for outgoing calls.
I don't think they suggest that the same call would switch between hotspot / 
gsm / hotspot without interuption at the moment.
You can sign-up for a free account if you have an S60 OS Nokia phone, from 
anywhere in the world basically. They seem to be in the 'give it all away for 
free to get some market-share' phase.

Here's the presentation they gave:
http://www.openser.org/events/2006-OpenSER-Summit/slides/openser-summit-2006_04_james.body_truphone-reversing-the-paradigm.pdf

At the time the presentation did seems a little 'too good to be true' to me 
though, given that nobody at VON could manage to get their Nokia e-series 
phones to sync with the provided wifi, not even the people demoing the Nokia 
e61 at the Nokia stand...

HTH
Richard.

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Re: Why do I want WiFi?

2007-01-18 Thread Renaissance Man
They recently received 25 million in funding too. Most answers to  
your questions are probably here:

http://www.truphone.com/scn/blog/blog.tru


if they pulled this off, it would be really huge.


Yeah, wouldn't it have been great if Neo rev1 could have taken  
advantage of it? The sooner Neo include WiFi the better in my view.


Renaissance man

On 18 Jan 2007, at 12:25 pm, Gabriel Ambuehl wrote:


On Thursday 18 January 2007 09:54, Renaissance Man wrote:

Seamless swapping needs the carriers' help. And they won't do it
for free, rest assured.

Already being done. See http://truphone.com


Doesn't really say how it works. "An all  SIP solution" doesnt  
really sound
like it could ever be seamless with GSM. I'd really like to know  
just how
this supposed to work, because if they pulled this off, it would be  
really

huge.


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Re: Why do I want WiFi?

2007-01-18 Thread Andreas Kostyrka
* Jean-Philippe Monteiro <[EMAIL PROTECTED]> [070118 03:16]:
> Hi Community
> 
> A lot of stuff around WiFi these days - A feature that does _not_ seems to be 
> even planned as of now! :)
> 
> Why do I want WiFi?
> 
> NOT to make expensive VoIP calls in airports - if I want to spend money in 
> airports, there are plenty of other ways...
> 
> I want WiFI so that the Phone is a real part of my network, allowing Sync's & 
> Backups, move/consultation of files over standard smb:// protocol: safe, 
> fast, secure, you choose what to share & what not.

That you can do with BT well enough.

> 
> I want WiFi to overcome the trouble of GPRS not being recognized/set up right 
> with my local carrier (tell me about it: exotic phones are never acknowledged 
> as data-capable by carriers), so I can apt-get over the network (cheaper,
Setting up GPRS is rather a straightforward thing with GSM phones. You
need the APN, and the dial string. The dialstring is a constant,
that's it. (Ok, there are some potential options to be set at
AT-command level, but I don't remember to have needed them ever)

> faster than over GPRS BTW), so I can get the online stuff I _need_ (mails,
> mainly. Ever tried to browse the internet over a Palm? useless.)

Quite useful with a Nokia. (GPRS makes it no fun, EGPRS would be fun).
I fear it's more a question of the client software than the network
connection that you had.

Andreas

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Re: Why do I want WiFi?

2007-01-18 Thread Paul Bohme

Gabriel Ambuehl wrote:

On Thursday 18 January 2007 09:54, Renaissance Man wrote:
  

Seamless swapping needs the carriers' help. And they won't do it
for free, rest assured.
  

Already being done. See http://truphone.com



Doesn't really say how it works. "An all  SIP solution" doesnt really sound 
like it could ever be seamless with GSM. I'd really like to know just how 
this supposed to work, because if they pulled this off, it would be really 
huge. 
  


Perhaps if were drop the assumption that it would try to go from 
IP-based SIP call to GSM voice call.  What if the phone were simply 
smart enough to go from wifi to GPRS - then it's more a matter of having 
the endpoints able to withstand an IP address change mid-call.  
Something like that could go BT->wifi->GPRS and back without missing a 
beat - assuming that each step of the way involved a working IP address 
and the software were smart enough..


 -P


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Re: Why do I want WiFi?

2007-01-18 Thread Gabriel Ambuehl
On Thursday 18 January 2007 09:54, Renaissance Man wrote:
> > Seamless swapping needs the carriers' help. And they won't do it
> > for free, rest assured.
> Already being done. See http://truphone.com

Doesn't really say how it works. "An all  SIP solution" doesnt really sound 
like it could ever be seamless with GSM. I'd really like to know just how 
this supposed to work, because if they pulled this off, it would be really 
huge. 


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Re: Why do I want WiFi?

2007-01-18 Thread Renaissance Man

On 18 Jan 2007, at 7:56 am, Gabriel Ambuehl wrote:


On Thursday 18 January 2007 03:25, Renaissance Man wrote:
your device is intelligent enough it will seamlessly swap between  
the two, using WiFi when it's available and GSM when it's not (and  
vice versa), just as Truphone does.


Seamless swapping needs the carriers' help. And they won't do it  
for free, rest assured.


Already being done. See http://truphone.com

Christiaan

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Re: Why do I want WiFi?

2007-01-18 Thread Gabriel Ambuehl
On Thursday 18 January 2007 03:25, Renaissance Man wrote:
> your device is intelligent enough it will seamlessly swap between the
> two, using WiFi when it's available and GSM when it's not (and vice
> versa), just as Truphone does.

Seamless swapping needs the carriers' help. And they won't do it for free, 
rest assured.



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Re: Why do I want WiFi?

2007-01-17 Thread Renaissance Man

On 18 Jan 2007, at 2:14 am, Jean-Philippe Monteiro wrote:

Why do I want WiFi? ... NOT to make expensive VoIP calls in  
airports - if I want to spend money in airports, there are plenty  
of other ways...


Yeah you could make expense GSM calls instead. Naturally you're much  
better off using WiFi when it's freely accessible, but of course if  
your device is intelligent enough it will seamlessly swap between the  
two, using WiFi when it's available and GSM when it's not (and vice  
versa), just as Truphone does.


I want WiFI so that the Phone is a real part of my network,  
allowing Sync's & Backups, move/consultation of files over standard  
smb:// protocol: safe, fast, secure, you choose what to share &  
what not.


I think the iPhone's got it right on this one. Using WiFi for syncing  
when you can use a cable/dock makes more sense to me battery wise.


Renaissance Man

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