Description PABX & Intercom System Compatible with KTS & SLT, plug and play Support PC ( call management and bill) software Caller ID transferred Auto Fax detect Least cost routing IP code access automatically Extension password Busy transferred Unconditional Transferred Call Transferred to Secretary Do Not Disturb Day and Night service Operator attendant, Auto attendant Party Conference Extension number assignable freewill ( 2, 3 or 4 digits)
