Requirements
IMS-AKA use assumes that you have installed the appropriate IPSec module on your Oracle Communications Unified Session Manager, or that it has come from Oraclewith those modules pre-installed. IMS-AKA will not work without this hardware.
IMS-AKA deployments require an activated network-parameters element configured with the options shown below.
options atcp-rxmt-count=2
atcp-rxmt-interval=2
atcp-syn-rxmt-interval=2
atcp-syn-rxmt-maxtime=6
atcp-idle-timer=3700
In addition, your configuration must have SIP registration caching enabled.