Mailinglist Archive: opensuse (770 mails)

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Re: [opensuse] connecting my telephone to the internet
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On 2012-08-25 09:12, Per Jessen wrote:

Maybe we're are mixing things up - I don't quite see the security risk in
receiving a VoIP
call from someone@some.where on the internet? The caller will not be
registering on my
Asterisk server, it's only an inbound call that is routed to whoever the
caller wants. In
my case, my phone on my desk (a Linksys SPA) is registered with the Asterisk
server as
extension #123, and calls to sip://per@xxxxxxxxx are routed to that. That's
all.

I don't have field experience with asterisk, only some training. Reading the
documentation I
understood it was a risk, but I don't recall exactly why. On a bussiness you
might get a call
from a longtime and good client, dispatch a cargo to be charged 30 days later,
and then learn
it was a fired employee or someone from a rival company, faking the ID on the
phone. Yes, it
is social engineering, but trusting the number you see in your terminal is part
of the issue.


- --
Cheers / Saludos,

Carlos E. R.
(from 12.1 x86_64 "Asparagus" at Telcontar)
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