captain415 Joined Mar 4, 2012 Messages 9 Reaction score 0 Mar 19, 2015 #1 Has anyone managed to get a Cisco SPA phone to use TLS as sip transport with 3CX???
netswork Bronze Partner Intermediate Cert. Joined Mar 11, 2011 Messages 606 Reaction score 4 Mar 20, 2015 #2 I dont think its supported. I know you cant use SSL with the SPAs