NEC SL2100 PABX Communications Solution PSTN, Basic Rate ISDN, Primary Rate ISDN and SIP trunks Digital/Analogue/IP extensions BYOD: Both InUC & ST500 apps enable you to use your exisitng smartphone or tablet. InGaurd: Toll Fraud Protection against VoIP Hacking Automated Attendant allows incoming calls to be directed to their destination without human assistance Voicemail with email notification Dial-in 16 party conference bridge Ring groups allows you to associate extensions to a group of telephones Music on hold and background music Low ongoing Maintenance Costs Built in Hotel/Motel features and Audio Conferencing 12 or 24 key terminals with headset connection Simple installation