The proper way to handle a CCI disconnection depends on the PROTOCOL used to establish the connection. For example, a customer has his connection setup as follows:
PROTOCOL(TCPIPGW,7000)
NODE(TCPIPGW,PLEXTST.XYZ.COMPANY.COM,5,sysid)
CONNECT(sysid)
Based upon this CCITCPGW connection setup, the following are the correct Disconnect/Connect commands:
F CCITCPGW,DISCONN,sysid
F CCITCPGW,CONNECT,sysid
Where sysid = the unique one through eight character identifier of the remote CAICCI system to be disconnected/connected.
These commands can be used at will, without any problems with ENF.
Review the r15.0 Common Services documentation that covers the CCI TCP/IP Gateway commands