[Asterisk-Users] Motorola to use Linux

[Steve Kann]

Just a couple of comments on this thread:

1) I'm not sure if it would be real useful to use a VoIP client on a
	"smart" cellphone.  With any plan I've seen, you're almost
	guaranteed to pay more per minute for the IP traffic as you do
	for voice traffic, _and_, you'll probably get better performance
	(sound quality, etc), with the native voice transport than using
	some VoIP system.

2) That said,  see http://iaxclient.sourceforge.net/ for the beginnings
	of a project to create a cross-platform IAX protocol client
	stack, that should be portable to devices like this.  It might
	not be real useful for something that's _already_ a cellphone, but
	ported to a powerful PDA like a zaurus or an iPaq, it could be
	pretty cool.

-SteveK

On Tue, Feb 18, 2003 at 05:41:37AM +0000, jharragi at mw.k12.ny.us wrote:
> Brett,
> 
> My post was more to explore people's ideas about if and how this could be 
> meaningful to Asterisk (rather than having an immediate need to deploy 
> such a system).
> 
> > Motorola is pushing Java heavily on their phones, so gnophone on the
> > cell phone seems very unlikely. Most likely the foot print would have to
> > be smaller to begin with.
> 
> I don't imagine Java code is very lean. And perhaps I shouldn't have said 
> gnophone because of course if you have dedicated buttons to map to 
> functions... you don't need a GUI. Without that you have much more compact 
> code. But gnophone has much of the functionality you would need.
>  
> > But, why would you want to do VoIP over a cellular network, when you
> > already have voice? 
> 
> I would expect that digital cellphones could use VoIP or something similar 
> (a voice codec on a network transport protocol). Why would there be much 
> difference between establishing a channel to a SIP client on IP over a 
> hardware network vs. the air? In fact you can make some assumptions in the 
> cellular case that make that technically simpler. For instance the packets 
> will arrive at the phone (if they arrive) in the order they were 
> transmitted.
> 
> > "To serve phones" I take to mean to be an RF interface to the phone. You
> > really don't want to go there, since a base station alone costs a lot of
> > money (then add all of the switching, data, network elements).
> 
> This is one of the questions I want to understand.
> 
> John
> 
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