[asterisk-users] SIP/WiFi handsets?

[Frank Bulk]

Note to those Americans scratching their heads over this: nano-BTS systems
are not so unusual in the Netherlands, unlike the USA.

Frank

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Hans Witvliet
Sent: Thursday, September 24, 2009 7:18 PM
To: asterisk-users at lists.digium.com
Subject: Re: [asterisk-users] SIP/WiFi handsets?

On Thu, 2009-09-24 at 09:56 -0400, jon pounder wrote:
> Dean Collins wrote:
> 
> Earlier in the thread someone made a comment about using gsm since 
> everyone had gsm handsets already.
> 
> Can you explain in detail please ? (what hardware specifically, and how 
> does this actually work ?) My ignorant assumption is something like the 
> end user has a cell phone that actually works with 2 carriers - yours 
> and the "real" carrier.
> 

Your assumption is correct.
We set up our own wireless network on several locations / ships, using
nano-BTS systems. Sites were interconnected via VPN's and satelite
links.
And made a roaming agreement with other GSM-providers.
On location (Withing the reach of our own transmitters) you see our name
as gsm-provider and if you move away several kilometers, yoo switch
automagically to a national provider.

Word of caution, probably only viable for large organisations/companies

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