The UC500 has been setup with Configuration Assistant and all works fine including SIP Trunks and Unity.Inbound calls received on the FXO Port ring on the target phone but going off hook does not connect the call. The phone continues to ring.Any idea...

If all nodes are using private addressing for the LAN and some spokes have dynamically assigned Public addresses. What is the best IPSEC approach for these spokes to communicate with the hub for routing?