Re: Asterisk application

Richard Ford <[email protected]> Tue, 14 Dec 2004 12:16:54 +0800
Newsgroups gmane.org.user-groups.linux.beijing.tech
Organization BLUG
Message-ID <[email protected]>
I have a cool USB device I could show you guys at some stage.

Trade secret right now.  But basically, plug a phone line in one side
and the usb in the other.

Pick up the phone, here a phone dial as normal.  This is how VoIP =has=
to be......  if I am allowed to demo - I will.  


But for SIP - don't you need a static IP to be able to dial using an IP
# and not a normal phone number?


RF.



On Wed, 2004-12-08 at 10:03 +0800, Colin Charles wrote:

> On Wed, 2004-12-08 at 01:09 +0100, Matteo Paiato wrote:
> 
> > two offices, one in italy and one in China. every workstation in Italy 
> > has a Softphone and an Extension number, the same for each workstation 
> > in the chinese office.
> 
> Seems like a fair scenario
> 
> > At this point is it possible to call from a workstation in China a 
> > workstation in Italy just dialing with the soft phone the extension 
> 
> Yes, using SIP, you can just dial an extension number and have it all
> work. Your asterisk server needs to sit on a publically accessible IP,
> and not behind the firewall in either your China or Italy offices
> 
> > number? I'm not interested in making phone calls to external phone 
> > numbers, just a way to let colleagues of the two offices talk at no 
> > cost.
> 
> If you want local phone calls to POTS systems, you need local
> termination
> 
> > How many asterisk servers do I need, one for each office or only one?
> 
> For your current implementation, only one, behind a fast Internet link,
> would suffice. Its relatively trivial to setup as well, because you
> don't have to fiddle with any hardware at all. Just the software, and of
> course, have a working soundcard (that does dsp) - all this, fairly
> common on any Linux system
> 
> If you wanted more features, then one at each office might be better