I mean an online app that I could start on my computer and receive all my calls and sms when my phone battery is gone or my I dont have a signal.
that means, the application or sw is installed on your pc/nb? am i right?
It doesn't matter if it.s an app installed on a pc/netbook/tablet or even on the cloud (such as google voice)
The real problem comes from the telco operator themselves. Indeed, such an app must connect to the telco network and it's information system.... And they will never allow that, and that require developments (SIP implementation, SMS-C interco...) which costs money for the telco operator.
However, some of them already provide such an app (at least in France).
i understand we have to connect to telecom network, just like skype. the reason i asked just want to clarify if the service is to install something on PC or NB, even on other customized devices.
Logically, that is easy to understand, just make linkage to connect to telecom network, given out the phone id, then you can get certain information.
So, if telecome can release any API, then we can do it.
Sorry, but I think there is a misunderstanding about the prerequisites...
Skype developed its own solution for the front-end (soft for PC/Mac, iPhone/Android) and the back-end (CRM, billing, interconnection network...).
All these stuffs can be developed without any real problem (except the skills of the IT developers).
At any step, Skype can replace the physical device... except if you forward all the calls to your Skype account, but it doesn't work to make a call on behalf of your your physical mobile (you must use your Slype account with another phone number).
Technically spoeaking, you dial someone and show the number you want (which could be that from your mobile operator), but that is legally allowed a really few countries (search "CAller ID Spoofing") in order to avoid to cheat the person you are calling.
If your solution must act on behalf of the physical device (ex : you forget it at home, or the battery power is down), then your solution must be directly connected to the heart of EACH telco network :
- connection to the SMS-C/MMS-C to send and receive messages
- conenction to the radius to authenticate the user and manage the billing (pre-paid or post-paid)
- and much more network components
The SIM card (with the PIN number) is the key elements to authenticate a user on a telco network. How do you authenticate the user if he does not keep a SIM card? The security and the fraud maangement is one of the reason why operators really want to keep the control of all the applications that can use their own network (but there are so many other reasons).
Another solution might be Google Voice, which provides you a unique phone number (that you will communicate to your contacts). Then, you can choose which device must ring (which is basically a call forward to one or several numbers).
Nice idea but you need to have internet connection if you want go connect to an internet service. So if you do not have internet connection, i do not know how (technically speeking, because it is the great deal in this idea) you gonna connect to the cloud.
my 2 cents, the chance of out of battery is low. If that really happened, you need to find a device with internet access. And if you finally find that device, why don't you just skype ?
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