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<tt>Nigel,<br>
I think you are looking at it backwards...<br>
The sim does not do the callback. All it does is dial an access number
automatically. If that access number than triggers a call back, it does,<br>
What interests me more is the callthru. In many countries you can have
a discounted rate to a specific number. So if you get a discounted rate
<br>
to the access number which gives you low international rates, you can
save money. Here's how.<br>
<br>
Say your regular minutes cost you 15 cents and your provider charges
1.00 to call international. So if you dial direct you pay 1.15. Now of
course you can use a calling card which charges you 3 cents for the
same destination so you will pay 0.18. Big savings, but big pain also.
However if the access number is programmed in the sim, the customer
dials as he always does, but the call goes out thru the access number
instead directly.<br>
<br>
You save<br>
1. On using an access number which is a discounted number. So you pay
less for for the local minutes<br>
2. You pay less for international minutes<br>
3. you do not have the pain of renewing PIN numbers and entering them,
like on a calling card.<br>
<br>
Moshe<br>
</tt><br>
<a class="moz-txt-link-abbreviated" href="mailto:nigel.dennis@sympatico.ca">nigel.dennis@sympatico.ca</a> wrote:
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<p>I can not see this sim card making callbacks. This sim from
viewing it simply bridges your telephone book in your cell phone after
initiating a ANI callback from a callback service. It also can NOT do a
dail through without you incurring charges from your cellular provider.
To do a callback you must have a source calling your phone that has
free incoming minutes from your provider then you can answer, access
your phone book and initiate the call. The sim card must have the
capability to provide a direct inward system access to give you a dial
tone so that you can use it to bridge the phone book of your cell phone
to make the call for a dial through. Just my imput from running a
callback/call through service.<br>
<br>
</p>
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<hr color="#a0c6e5" size="1">From: <i>Moshe Maeir
<a class="moz-txt-link-rfc2396E" href="mailto:m345@netvision.net.il"><m345@netvision.net.il></a></i><br>
Reply-To: <i>Commercial and Business-Oriented Asterisk
Discussion<a class="moz-txt-link-rfc2396E" href="mailto:asterisk-biz@lists.digium.com"><asterisk-biz@lists.digium.com></a></i><br>
To: <i>Commercial and Business-Oriented Asterisk
Discussion<a class="moz-txt-link-rfc2396E" href="mailto:asterisk-biz@lists.digium.com"><asterisk-biz@lists.digium.com></a></i><br>
Subject: <i>Re: [asterisk-biz] CallBack/ Call Through SIM Adapter</i><br>
Date: <i>Mon, 19 May 2008 23:24:36 +0300</i><br>
>Has anyone tried it?<br>
>I have used a resident s/w program that does the same. But this
seems<br>
>easier to sell since you do not need a smartphone.<br>
>Another issue is if you set it to call thru a specific number how
does<br>
>it handle roaming?<br>
><br>
>Moshe<br>
><br>
>Michael Wen wrote:<br>
> > This SIM Dailer could overcome the inconvenience of cellular
CallBack system:<br>
> >
<a class="moz-txt-link-freetext" href="http://www.tangshop.com/sim-dailer-adapter-smart-card-gsm-phones-callback-calling-card.html">http://www.tangshop.com/sim-dailer-adapter-smart-card-gsm-phones-callback-calling-card.html</a><br>
> ><br>
> > _______________________________________________<br>
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