[VOIPSEC] SRTP

[Nathan Allen Stratton]

On Wed, 22 Feb 2006, Richard Polishak wrote:

> Interesting discussion (as always).  In investigations here I have been trying to gather from the vendor community what the current adoption is of SRTP within handsets, ATAs, etc.  So far it seems the majority of the big players in this space do not support SRTP and, in fact, the processors within
> their phones are incapable of doing so because they are often running close to their peak.  Many speak of 'planning to support' but nothing in concrete.  Have others found anything different than this?
>
> SRTP to me seems to be the preferred path for hard CPE (SIP Phone/ATA/etc.).  I agree there are other alternatives for the soft-client approach but Marketing tells me hard phones are a requirement by most customers for 'work from home' users.

SNOM is the only SRTP with standard key exchange that I know about. Sipura
does SRTP, but they have a totally proprietary way of dealing with key
exchange so it is worthless unless it is their CPE on both ends.

-Nathan