Hi all, 

I'm trying to get TLS working properly between the connected endpoints (Polycom 
Soundpoint IP335) and the SipXproxy. No firewalls/NAT or anything inbetween. 

I'm running v3.2.5 on the Polycoms and SipXecs version 4.4.0- 
2011-04-01EDT23:24:23 domU-12-31-39-0E-DD-81

I have followed the guide provided on the Wiki 
(http://wiki.sipfoundry.org/display/sipXecs/Installing+the+Root+CA+Server+Certificate+on+the+Polycom+Phone)
 and 
(http://wiki.sipfoundry.org/display/sipXecs/Polycom+Phone+using+sipXecs+TLS+transport)
 but still, no sucess. The polycom UI tells me that the SipX CA ceritifate is 
installed
successfully on the phone and I've tried both using "All Certificates" and 
"Custom Certificates" in the Polycom settings. 

However, no TLS. I look at the Wireshark traces and notice the the TLS 
handshake is failing since (as far as I understand it) the Polycom is not 
sending the correct client certificate to the
server. After server has sent Certificate, Certificate Request and 
ServerHelloDone, the Polycom responds with a Certificate message containing the 
Polycom certificates, not the by SipX 
generated (and on the Polycom installed) certificate. This ends with a Fatal 
Error and the Polycom falls back to TCP. 

First, the error was "Unknown CA" but after installing the Polycom chain of 
root CA on SipX, it's now "Decrypt Error"... But the guide says nothing about 
the need to install the Polycom device
Root CA on the SipX server in this situation. 

I'm confused... and would be very happy with some guidance... 

//Staffan




--
Staffan Kerker
mail/sip/xmpp: [email protected]

"Don't get involved in politics man, just play the gig..." /Sgt Floyd, Electric 
Mayhem Band




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