Running VoIP over SSL VPNs? (Network World article)

[dan_york (at) Mitel.com]

VOIPSEC readers,

Network World came out with an article yesterday that detailed 
their tests on running VoIP over SSL VPNs:

   http://www.networkworld.com/reviews/2006/022006-ssl-voip-test.html

I'm curious to learn from folks here... are there list subscribers 
using VoIP over SSL VPNs?  If so, would you care to share your 
experiences here?  What are you using... softphones? Handsets 
with ATAs?  Handsets with SSL clients inside?   How does the quality 
sound?  Have you compared using your phone over an SSL VPN to 
running the same (hard/soft)phone over an IPSEC VPN?

I will candidly admit that lacking any time/resources to experiment 
with SSL VPNs on my own,  I've fallen into the "conventional wisdom" 
trap that the article author hits in his first sentence ("VoIP is 
often written off as an application that will not work well over an 
SSL VPN link.") based on some of my earlier reading about latency in SSL 
VPNs and also just my own basic understanding of TCP and SSL.

However, I'm always prepared to revisit assumptions in light of new 
data, and the article would certainly seem to say that SSL VPNs are
worth evaluating.  Anyone have any feedback one way or the other?

I'm just curious more than anything else.

Thanks,
Dan

-- 
Dan York, CISSP
Dir of IP Technology, Office of the CTO
Mitel Corp.     http://www.mitel.com
dan_york (at) mitel.com +1-613-592-2122
PGP key (F7E3C3B4) available for 
secure communication
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