Always init self.itime, so that it's possible to tweak SipLogger.offstime instead of passing SIPLOG_TFORM via environ.
Always init self.itime, so that it's possible to tweak
SipLogger.offstime instead of passing SIPLOG_TFORM via environ.

sippy/b2bua,AVOXI/b2bua,sippy/b2bua,AVOXI/b2bua