<ol>
 	<li>Compatible with KTS &amp; SLT, plug and play</li>
 	<li>Support PC ( call management and bill) software</li>
 	<li>Caller ID transferred</li>
 	<li>Auto Fax detect</li>
 	<li>Least cost routing</li>
 	<li>IP code access automatically</li>
 	<li>Extension password</li>
 	<li>Busy transferred</li>
 	<li>Unconditional Transferred</li>
 	<li>Call Transferred to Secretary</li>
 	<li>Do Not Disturb(DND)</li>
 	<li>Day and Night service</li>
 	<li>Operator attendant</li>
 	<li>Auto attendant</li>
 	<li>Party Conference ( between 2 extensions and 1 CO line )</li>
 	<li>Party Conference ( among 3 extensions)
17.Outside caller call extension by one touch</li>
 	<li>Extension ring by turns</li>
 	<li>Hot line ( call to operator by lifts handset without dialing)</li>
 	<li>Call to operator by one touch dialing</li>
 	<li>Ringback on busy</li>
 	<li>Speed dialing</li>
 	<li>External music on hold socket</li>
 	<li>Extension outgoing call class
25.Remote program</li>
 	<li>Outside ( CO ) Line Duration Time Limit
27.Monitor voice record</li>
 	<li>Various Outside ( CO ) Line Access Mode Selection</li>
 	<li>Extension number assignable freewill ( 2, 3 or 4 digits)</li>
 	<li>Executive busy override
31.Eight extension ringing assignable
32.Broadcast
33.Twin routes 3 section OGM (DISA)
34.Self-extension number confirmation
35.Pulse and tone mode setting
36.Polarity Reverse Detection</li>
</ol>