Product Name NEC PABX 3-IN 8-OUT System (SL2100) , NEC PABX 3-IN 8-OUT System (SL2100) Model SL-2100 , SL-2100 Country of Origin Japan , Japan General Functions Value for Money, Easy to Use, Keep Connected, Safety Fit , 4ch of Built-In V/VM /InMail, 2 Hou of Recording Storage, Build in VOIP, 1 Voice Prompt of Built-In V/VM, Music on Hold, Mobility / BYOD / Remote Extension, Auto Attendant/ Audio Conferencing, Video Conferencing & Collaboration , Value for Money, Easy to Use, Keep Connected, Safety Fit , 4ch of Built-In V/VM /InMail, 2 Hou of Recording Storage, Build in VOIP, 1 Voice Prompt of Built-In V/VM, Music on Hold, Mobility / BYOD / Remote Extension, Auto Attendant/ Audio Conferencing, Video Conferencing & Collaboration