Voice over IP Cisco - Re: Cisco Unified PhoneProxy+7970 vs. 871 route+7970 r

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Author Re: Cisco Unified PhoneProxy+7970 vs. 871 route+7970 r
Louis Marascio (lmarasci)

2007-11-05, 1:11 pm

Robert,

PhoneProxy can encrypt signaling and voice traffic, that is correct.
Signaling will be encrypted w/ TLS and voice media will use SRTP. HTTP
traffic, for IP phone services etc, will NOT be encrypted. This is one
differentiator that the 871 solution has.

Take care,

Louis

-----Original Message-----
From: cisco-voip-bounces@puck.nether.net
[mailto:cisco-voip-bounces@puck.nether.net] On Behalf Of Robert
Kulagowski
Sent: Thursday, November 01, 2007 3:54 PM
To: cisco-voip@puck.nether.net
Subject: [cisco-voip] cisco Unified PhoneProxy+7970 vs. 871 route+7970 r
vs. cisco VPN Client+IP Communicator

Any thoughts on the relative merits of the above combinations? We
currently deploy the VPN client + IP Communicator for home users, but
there are complaints of call quality issues (we use CM 4.1.3sr5 and
g.729). Since we can't switch to iLBC we're looking at alternatives.

From what I can gather, the PhoneProxy would still encrypt all traffic
over the Internet (control and voice), correct?

Is it any more "efficient", packet-wise or whatever, than a full-blown
VPN tunnel configuration that you'd get with a 871?

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