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Re: [Linphone-developers] privacy issue?

From: Anatoli
Subject: Re: [Linphone-developers] privacy issue?
Date: Mon, 20 Feb 2017 06:56:25 -0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0

Hi Sylvain,

Thanks for the clarification. I believe that not notifying
explicitly the user about this is not acceptable. The contacts list is the best fingerprint, more precise that even one's actual biometric fingerprint as there are no 2 persons with the same contacts list, so this is extremely sensitive information and must be treated as such.

I've seen your other reply in the " contacts" thread. What happens is that for those who don't user service, there's no such option "Friendlist subscribe". I strongly believe that when service is not configured, the contacts must not be sent anywhere. Also, it would be nice to disable the constant asking for number/account linking (

For those who do use service, I believe the "Friendlist subscribe" option should be turned off by default and when activating it there should be a warning saying that all contacts will be uploaded to the server, OK? Yes/No (or a same comment below the option).


From: Sylvain Berfini
Sent: Monday, February 20, 2017 06:20
To: Linphone-developers
Subject: Re: [Linphone-developers] privacy issue?

Hi Anatoli,

You can check our privacy policy there:

Linphone only sends a list of phone numbers (and nothing else) to our presence server (which doesn't store anything) and sends back the list of phone numbers linked with a account, that's all.


Sylvain Berfini
Software Engineer @ Belledonne Communications
Le 18/02/2017 à 18:21, Anatoli a écrit :
Could the official developers please clarify the situation with the contacts allegedly being uploaded to the servers?

From the recent conversation here (subject " contacts") it looks like (I haven't confirmed/refuted it myself yet) Linphone uploads all user contacts to remote servers without asking for such permission, or clarifying it in any moment. Is this true?


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