Voip Cisco call manager 10.5.2.

I can make video conference IPv4 is active 53.67.64.97 is my IP  I want to activate IPv6 sip proxy I have a dedicated number assign to SX20 12017303545 I cant seem to activate the Sip proxy to use the Cisco as a audio conference device H323: Status :...

its polycom environment we are using just registering the device with the gatekeeper and the call manager is doing the routing I had our voice team assign me a number we want to use the SX-20 - and SX-80 as audio conferences and video conference's