Merge branch 'master' of https://gogs.halsbox.ru/RRT/pbx

app/cel.py

@@ -143,7 +143,7 @@ class CdrUserEvents(CdrEvents):
       event = CdrEvent(event)
     if self._user in (event.src, event.dst, event.cnum):
       if (self.answer ==0) and (event.disposition == 'ANSWERED'):
-        self.answer = event.calldate + td(seconds=event.duration - event.billsec)
+        self.answer = event.calldate + min([0,td(seconds=event.duration - event.billsec)])
         self.recordingfile = event.recordingfile
       if (self.recordingfile == ''):
         self.recordingfile = event.recordingfile