AT&T SynJ 4-Line Desk Phone: * Up to 4 line capability * DECT 6.0 Zero Blind Slot Digital technology * Extended range * Push-to-talk intercom from base to handset and from handset to handset * Add up to 10 cordless accessories * Intercom and call transfer between stations * 10 speed dial and 10 intercom number locations * 3-party conferencing * Speakerphones in handset and base * 4 lighted line indicators * Selectable ring tones * Handset, speakerphone, headset and ringer volume controls * Last 10 number redial * 100 name/number phonebook directory * Backlit keypad on handset * Large blue backlit display on handset and base * External music on hold * English/Spanish setup menu * Mute * Redial * Hold * Chain dialing * Headset-compatible (2.5mm jack) * Auto attendant on each line * Caller ID/call waiting capability * Caller ID displays on handset and base * 50 name/number Caller ID history * New call/message indicator * Up to 180 minutes of digital recording time * Individual voicemail boxes for each extension * Remote access with programmable options * Call screening/intercept * Message retrieval from handset * Message time/day stamp * Voice prompts * Memo recording