### Logged Values

      "Asterisk-Acc-Code",          The account name of detail records
      "Asterisk-Src",
      "Asterisk-Dst",
      "Asterisk-Dst-Ctx",           The destination context
      "Asterisk-Clid",
      "Asterisk-Chan",              The channel
      "Asterisk-Dst-Chan",	        (if applicable)
      "Asterisk-Last-App",	        Last application run on the channel
      "Asterisk-Last-Data",         Argument to the last channel
      "Asterisk-Start-Time",
      "Asterisk-Answer-Time",
      "Asterisk-End-Time",
      "Asterisk-Duration",          Duration is the whole length that the entire
                                    call lasted. ie. call rx'd to hangup
                                    "end time" minus "start time"
      "Asterisk-Bill-Sec", 	        The duration that a call was up after other
                                    end answered which will be <= to duration
                                    "end time" minus "answer time"
      "Asterisk-Disposition",    	  ANSWERED, NO ANSWER, BUSY
      "Asterisk-AMA-Flags",       	DOCUMENTATION, BILL, IGNORE etc, specified on
                                    a per channel basis like accountcode.
      "Asterisk-Unique-ID",         Unique call identifier
      "Asterisk-User-Field"	        User field set via SetCDRUserField