On Oct 20, 2008, at 12:01 PM, Steve Anness wrote:
I am sure this has been discussed prior, however, I am sitting here
and being asked this very question by my superiors. They are loving
what I have done with our two Asterisk servers here; however, they
keep asking me if it is secure or not. Of course, as with anything,
I suspect that on a secure network they can be reasonably safe.
However, realistically if I am using the asterisk server to make
internal calls and discussion very private matters, how possible is
it for someone to listen to calls? How good is the encryption if
any over an IAX trunk?
Steve,
This question gets asked a lot and a majority of the time the phones
in question are in cubicles or other open spaces.
The answer is that it really depends on the someone, the situation,
and how much an organization is willing to spend. Yes, it's possible
to encrypt voice traffic between SIP phones, but there is no standard
that works across vendors. In most cases, it is more practical and
economical to follow network security best practices.
What alternative solution would they use to encrypt the voice traffic
between analog or digital phones?
--
Eric Chamberlain
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