<font style="font-family: Arial, Helvetica, sans-serif; font-size: 10pt"><P style="MARGIN: 0in 0in 0pt"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">I would recommend that any issues that would cause a system instability be addressed. </SPAN></P>
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<P style="MARGIN: 0in 0in 0pt"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">As for potential security risks per dial plan features I think a less aggressive approach might be considered. <BR><BR>1. Make any required fixes or enhancements to the Filter() command.<BR>2. Provide some usage case scenarios so that users can protect themselves in their dial plans.<BR><BR>The usage case scenarios should highlight examples of filtering caller id and variables that are at high risk. A listing of variables that are at risk should be offered. If filters are strategically placed where calls initiate and terminate the users can protect their systems. I stress that good easily accessible documentation on this is key. These are items that are not best learned by the school of hard knocks.<BR><BR>Regards<BR>Bryant</SPAN></P><BR></font>