...
"2012-02-15T12:12:23.239309Z":201137:HTTP:ERR:swift.hubler.us:AsynchMediaRelayRequestSender-14:7f553591a700:SipXProxy:"HttpMessage::get4 Call Forwarding in Unite Lite Receiving failed on persistent connection on try 0"
Can be ignored This happens every 30 seconds. Apparently message is benign User List Message. Change to debug level in sipXecs 4.6.
...
"2012-02-15T14:27:43.469168Z":17520:HTTP:ERR:swift.hubler.us:OsTimer-10:7f0418585700:SipRegistrar:"HttpMessage::get4 Call Forwarding in Unite Lite socket to :80 not connected, retry 1 after 20ms"
*unknown