Panasonic KX-TES824X

KX-TES824ND Advanced Hybrid System PBX Built-in Voice Message ( BV) ( Optional Caller ID card required) Fixed Line SMS Terminal Support ( Optional Caller ID card required) Caller ID Display on SLT ( Optional Caller ID card required) 3-level Automated Attendant ( AA) PC Programming Automatic Configuration for Outside ( CO) Line Type Advanced Hybrid System Uniform Call Distribution ( UCD) Call Forwarding Emergency Call 5-Party Conference Room Monitor Station Massage Detail Recording ( SMDR) Account Code Toll Restriction Electronic Station Lock Limited Call Duration Battery Beckup Interface ( Built - in) Total Number of Trunks : 8 Trunk ( Physical Trunk Card) : 8 Total Number of Extension : 24 Extension ( Physical Extension Card) : 24 Telephone : 24 SLT : 24 APT : 16 DSS Console : 2 Voice Processing System ( VPS) : 2 Doorphone : 4 Door Opener : 4