[asterisk-users] question about connecting with Mobile Base Station

[mark morreny]

Hi Andrew,

Thank you for your info.  I am actually looking for connecting mobile base
station with asterisk via E1.

Any idea on where I should start looking?

Thanks,
Mark

On Wed, Nov 19, 2008 at 1:03 PM, Andrew Joakimsen <joakimsen at gmail.com>wrote:

> On Tue, Nov 18, 2008 at 22:30, mark morreny <markmorreny at gmail.com> wrote:
> > Hi,
> >
> > Is it possible to connect Asterisk with a mobile base station to handle
> call
> > switching?  What kind of protocol will I need to use to convert to sip?
> >
> > Any pointer or info will be greatly appreciated.
>
> There are various devices. PCI GSM card, GSM to Ethernet, or the most
> basic is GSM to analog, then you connect it to asterisk with e.g. X100
> card or SPA3000.
>
> Either the PCI or Ethernet devices should work very well -- since the
> call from the GSM network continues to be digital. An analog adapter
> will have a slower call setup time, can not support SMS or data and
> might have echo issues and by definition of a digital-to-analog and
> subsequent analog-to-digital conversion the quality of the call will
> be worse (but probably not noticeable).
>
> Here is one example: http://www.junghanns.net/en/GSM-PCI_produkt.html
>
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