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Following is the scenario: I have an web application accessible via mobile browser. I need to detect a mobile number whenever an user open my web site using their mobile and automatic sign in using that mobile number

localhost:3000
you are sign in using u r mobile number "XXXXXXXXXXXXX"

like 

http://stackoverflow.com/questions/7413305/retrieve-imei-number-sim-number-mobile-number-via-mobile-browser

in ruby on rails

Swagata Mondal
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1 Answers1

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This is not possible. Fortunately. Imagine the HUGE security breach this would be. Any web advertiser would love to find such a way to get your phone number.

EDIT: While there are some HTTP header fields that are thought to contain that information, they are luckily not implemented in most browsers, so don't work reliably.

FD_
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  • It is possible, Advertising firms use it to provide customized ads. I learnt about it in a recent Media Summit here at my place. You can check this: http://mobiforge.com/design-development/useful-x-headers `x-up-calling-line-id: End users phone number` – Skynet Feb 04 '14 at 10:12
  • Although not completely revealed here is a short intro: http://ibsunified.com/hyper-personalized-facebook-ads/ – Skynet Feb 04 '14 at 10:28
  • But those fields are not implemented in most Android browsers, are they? – FD_ Feb 04 '14 at 10:40
  • My Bad, I answered in a generalized manner. I wanted to impress upon the possibility of can be done or not. – Skynet Feb 04 '14 at 10:43
  • Happy coding matey :) – Skynet Feb 04 '14 at 10:45
  • one more doubts if i create one android app for geeting mobile number .is it possible to call that android apps while loading my website – Swagata Mondal Feb 04 '14 at 10:53