def _initChannelTypesList(self):
if self.checkVersion('<STR_LIT>'):<EOL><INDENT>cmd = "<STR_LIT>"<EOL><DEDENT>else:<EOL><INDENT>cmd = "<STR_LIT>"<EOL><DEDENT>cmdresp = self.executeCommand(cmd)<EOL>self._chantypes = set()<EOL>for line in cmdresp.splitlines()[<NUM_LIT:2>:]:<EOL><INDENT>mobj = re.match('<STR_LIT>', line)<EOL>if mobj:<EOL><INDENT>self._chantypes.add(mobj.group(<NUM_LIT:1>).lower())<EOL><DEDENT><DEDENT>
Query Asterisk Manager Interface to initialize internal list of 
        supported channel types.

        CLI Command - core show applications