[Asterisk-Users] "GSM cards" / "mobile phone cards" for Asterisk?

[Steve Kennedy]

On Fri, Oct 28, 2005 at 05:43:03PM +0100, David Cook wrote:

> You might want to investigate a Nokia 22 (http://europe.nokia.com/nokia/0,8764,56024,00.html). This provides a single GSM line which is interfaced to the PBX by an anlogue trunk/extension. From memory they cost around £100-150. I am going to revisit this as a solution to our ever increasing PSTN-GSM call spend as soon as we have our Asterisk PBX in place.

The big problem with SIM based GSM gateways is that the CLI will always
be that of the SIM not the real caller (there's no way to pass CLI, well
at least not in the UK).

Also in the UK it is illegal to run GSM gateways for 3rd parties (so you
can run them for your own company, but as a VoIP provider etc you cant
use a GSM gateway for anyone else, including customers).

Steve

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