Obi202 encryption

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drgeoff:
Quote from: Geokat on June 21, 2017, 01:36:19 pm

OBi support is claiming that "all communications between OBi device and SIP service (i.e. Google Voice) are encrypted".    

Does the Obi202 connect to OBI and OBI to GV?

While I have high regard for the design and development people at Obihai, that does not extend to their current technical support.

The IP packets go from your OBi device to GV's servers.  Obihai's server(s) are not even aware that the GV call is in progress.

(BTW GV does not use SIP.)

Geokat:
What does the GV use?

Do you know if the GV supports encryption?

Taoman:
Quote from: Geokat on June 22, 2017, 06:17:50 am

What does the GV use?

Do you know if the GV supports encryption?


Google Voice uses XMPP/Jingle. TLS is supported but I don't believe SRTP is so media is not encrypted.

SteveInWA:
Google Voice is a PSTN-based service; calls traverse the regular telephone network.  They are not encrypted.

As I mentioned earlier, Google Voice's companion service, Hangouts, is end-to-end encrypted, via TLS.

Taoman:
Quote from: SteveInWA on June 22, 2017, 02:06:50 pm

Google Voice is a PSTN-based service; calls traverse the regular telephone network.  They are not encrypted.
Was referring to path between OBi device and Google Voice gateway which does use TLS since Google deprecated SSLv3.

Quote from: SteveInWA

As I mentioned earlier, Google Voice's companion service, Hangouts, is end-to-end encrypted, via TLS.


Although Hangouts does use encryption it definitely isn't "end-to-end encrypted" the way Apple's iMessage and Facetime are.

Quote from: 9to5Google.com

Following a Reddit AMA on government surveillance, Google has admitted that while it does encrypt Hangouts conversations, it does not use end-to-end encryption, meaning the company itself can tap into those sessions when it receives a government court order requiring it to do so. This contrasts with the end-to-end encryption used by some services, like Apple’s FaceTime, which cannot be tapped even by the company offering the service.

https://9to5google.com/2015/05/12/google-hangouts-security/

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