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

[Hakan C]

Hi.

Probably you should use SS7.
It depends on your hardware.

On Wed, Nov 19, 2008 at 8:44 AM, mark morreny <markmorreny at gmail.com> wrote:

> 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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>
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