[Asterisk-Users] Re: International callback strategies

snacktime snacktime at gmail.com
Sun Apr 10 15:39:45 MST 2005


On Apr 10, 2005 3:17 PM, Hakem Taourchi <ht at phonitel.com> wrote:
> Actually, these problematics are classical to many countries:
> 
> 1-) If you put russian sim card in a GSM modem, it can receive missed
> calls from people who call and hang up and their caller id (most local
> mobile operators generally get caller Id). Based on this input from GSM
> modem, you can trigger the callback system to call back on that
> particular number;
> 
> 2-) You can create DID system. That is, you buy 1000 DID, and each
> customer has got a dedicated US did. So when your Callback Systems
> receive call on DID 101 (without hang up), the callback system knows
> upfront who to callback;
> 
This seems to be the solution that will work the best, although for a
small overhead for the did's.

> 3-) SMS callback is by far very popular these days for countries with
> these constraints. Of course, you cannot serve the whole world in your
> hand. But generally, there are more GSM subscribers these days than land
> line subscribers.
> 

This seems to be my second choice at the moment, being that SMS is
more available then email in Russia.

Chris



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