CWS_KEEPALIVE = 300
CWS_INCOMING_PORT = 21000
CWS_MULTIPLE = xxxxxxxx.xxxxxx.xxx 10000:10002 user user 01 02 03 04 05 06 07 08 09 10 11 12 13 14 wan cardserver
CWS_MULTIPLE = xxxxxxxx.xxxxxx.xxx 10000:10002 user user 01 02 03 04 05 06 07 08 09 10 11 12 13 14 wan cardserver2
try this one