Product Name: Excelltel Tp16120-8120 Intercom System Expandable Pabx Model NO.: TP16120-8120 Backup Battery Interface: Yes PC Billing Software Management: Yes Caller ID: Yes Keyphone Interface: Yes Multiple Communication Line: 16 External Music Input on Holding: Yes Power Failure Transfer: Yes Intelligent Routing (Lcr): Optional Auto/Operator Mode: Yes Trademark: Excelltel Transport Package: 2~3 PCS Per Carton Specification: 58x36x15cm Origin: Foshan Guangdong China HS Code: 85176219 Product Description Excelltel TP16120-8120 Intercom systemExpandable PABXModel: TP16120-8120Capacity:Card expandable structureFrom 4 to 8 CO lines, 16 to 120 extensions.4 CO line ports in per CO line card.16 extension line ports in per extension line card.Main Features:1. Switch power2. Backup battery interface (optional)3. Billing software (optional)4. Transfer caller ID (optional)5. Intercom caller ID (optional)6. Auto-attendant (DISA: 20s three paragraphs)7. Auto/Operator mode8. Automatic CO line detected9. External music input on holding10. Day/Night mode (optional)11. Real time clock (optional)12. Doorbell & door open function (optional)13. Alarmclock (optional)14. Private password15. CO line transfer to CO line16. External broadcasting interface (optional)17. Keyphone interface (optional)18. Intelligent Routing (LCR) (optional)19. Four exts. Groups (optional)20. Call switch(call pick during conversation) (optional)21. Wireless terminal board (optional)Basic Functions:1. 16 Multiple communication line2. Normal transform power3. Power failure transfer4. External line caller ID5. Internal music on holding6. Remote programming7. Memory protect while power off8. System password9. Multiple dial-out mode10. External line group11. Call duration control12. Call pickup13. Outgoing call transfer14. Call transfer15. Call forwarding16. Flexible coding (change ext. No. )17. Do not disturb18. Automatic Ext. Reporting19. Flash time choice20. Ringing assignment21. Call restriction22. Three way conference23. Call all extensions24. Specific CO line dialing25. Ring identify26. CO line booking27. CO line reservation28. Operator setting29. CO line monitorPacking Details:Weight: 10~12 KGS/PCQuantity: 2 or 3PCS in one cartonGiftbox size: 59.6x38x16.5cmCarton size: 61x36x39.5cm