The Vertical SBX IP 320 24-Button Digital Phone 4024-00 is a 24 Button Digital Telephone and is designed to give small businesses all the sophisticated communications features of big-company PBX systems in an affordable, easy to use and scalable package. It supports digital, analog and/or IP endpoints, a reception console, a doorbox, and a comprehensive feature set of nearly 150 functions previously available only on high-end PBXs, including support for VoIP (SIP) and analog trunking, conferencing, voicemail, auto-attendant options, and remote configuration. 

Features:

• Three Line LCD Display
• 24 Flexible Buttons with RED/GREEN LEDs
• (7) Fixed Buttons
• 3) Soft Keys
• 2.5mm Headset Jack
• Answering Machine
• Automatic Redial
• Call Back
• Incoming Caller ID
• Call Forward
• Computer Telephony Interface (CTI)
• Direct Transfer Mode
• Fax Detection
• Fax Transfer
• IP Stations
• SMS Messaging
• Voicemail
• Speed Dial
• Speakerphone