Re: [asterisk-biz] CallBack/ Call Through SIM Adapter

I have a couple that I have received from a China manufacturer. Never used them for my customers. I will give it a try  !!!

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From: Moshe Maeir <m345@netvision.net.il>
Reply-To: Commercial and Business-Oriented Asterisk Discussion<asterisk-biz@lists.digium.com>
To: Commercial and Business-Oriented Asterisk Discussion<asterisk-biz@lists.digium.com>
Subject: Re: [asterisk-biz] CallBack/ Call Through SIM Adapter
Date: Tue, 20 May 2008 00:55:31 +0300

You can.
The whole idea is that with this sim the customer does need to dial the dial thru number. The sim does it for him.
Great for people on the go.

nigel.dennis@sympatico.ca wrote:

Ok then...This should be quite usable for a dial thru. Since you can dial a callback #, Why not set it to simply do a dial thru in asterisk by incorporating a disa.

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From: Moshe Maeir <m345@netvision.net.il>
Reply-To: Commercial and Business-Oriented Asterisk Discussion<asterisk-biz@lists.digium.com>
To: Commercial and Business-Oriented Asterisk Discussion<asterisk-biz@lists.digium.com>
Subject: Re: [asterisk-biz] CallBack/ Call Through SIM Adapter
Date: Tue, 20 May 2008 00:22:52 +0300

Nigel,
I think you are looking at it backwards...
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,
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
to the access number which gives you low international rates, you can save money. Here's how.

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.

You save
1. On using an access number which is a discounted number. So you pay less for for the local minutes
2. You pay less for international minutes
3. you do not have the pain of renewing PIN numbers and entering them, like on a calling card.

Moshe

nigel.dennis@sympatico.ca wrote:

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.

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From:  Moshe Maeir <m345@netvision.net.il>
Reply-To:  Commercial and Business-Oriented Asterisk Discussion<asterisk-biz@lists.digium.com>
To:  Commercial and Business-Oriented Asterisk Discussion<asterisk-biz@lists.digium.com>
Subject:  Re: [asterisk-biz] CallBack/ Call Through SIM Adapter
Date:  Mon, 19 May 2008 23:24:36 +0300
>Has anyone tried it?
>I have used a resident s/w program that does the same. But this seems
>easier to sell since you do not need a smartphone.
>Another issue is if you set it to call thru a specific number how does
>it handle roaming?
>
>Moshe
>
>Michael Wen wrote:
> > This SIM Dailer could overcome the inconvenience of cellular CallBack system:
> > http://www.tangshop.com/sim-dailer-adapter-smart-card-gsm-phones-callback-calling-card.html
> >
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