The Jeff Pulver Blog: Phil Zimmermann's zFone: A Secure SIP User Agent

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July 29, 2005

Phil Zimmermann's zFone: A Secure SIP User Agent

While Phil continues to get some well deserved press coverage:

CNET: VoIP security prototype gets an airing

eWeek: Privacy Pioneer Promises Secure VOIP

One of the things not mentioned in the business/trade press to date is the fact that zFone is a SIP client.

Earlier this year, Phil gave me a preview of the demonstration he gave this week at the Black Hat security conference where the zFone client was used on the Free World Dialup network.

Posted by jeff on July 29, 2005 06:30 AM | Permalink

Additional resources: #140conf events | Watch the Jeff Pulver Show | Jeff's Qik Videos

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Posted by: WWW at August 18, 2010 02:22 AM

Looking for VoIP security. Try Virttel Networks with TalkSafe Security. Virttel uses Netx protocol and encrypts the entire route.

Posted by: Larry Benedet at November 10, 2005 10:28 AM

"Earlier this year, Phil gave me a preview of the demonstration he gave this week at the Black Hat security conference where the zFone client was used on the Free World Dialup network..."

And...?

Posted by: Lenny at September 12, 2005 09:26 PM

July 29, 2005

Phil Zimmermann's zFone: A Secure SIP User Agent

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