| Line Capacity (ports) | 
            4 ports built in, expandable to 24 ports | 
        
        
            | Voice Storage | 
            up to 1000 hours | 
        
        
            | Automated Attendant Service | 
            Yes | 
        
        
            | Call Screening | 
            Yes | 
        
        
            | Live Call Screening | 
            Yes | 
        
        
            | Remote Live Call Screening (DPITS only) | 
            Yes | 
        
        
            | Callback Number Entry | 
            Yes | 
        
        
            | Caller ID Name Announcement | 
            Yes | 
        
        
            | Caller ID Personal Greeting | 
            Yes | 
        
        
            | Caller ID Call Routing | 
            Yes | 
        
        
            | Covering Extension | 
            Yes | 
        
        
            | Custom Service | 
            Yes | 
        
        
            | Direct Mailbox Access | 
            Yes, DPITS only | 
        
        
            | Email Integration | 
            Yes | 
        
        
            | Enhanced Message Notification | 
            Yes | 
        
        
            | External Message Delivery | 
            Yes | 
        
        
            | Fax Detection | 
            Yes | 
        
        
            | Holiday Service | 
            Yes | 
        
        
            | Intercom Paging | 
            Yes, DPITS only | 
        
        
            | Interview Service | 
            Yes | 
        
        
            | Voice Mail Service | 
            Yes | 
        
        
            | Dialing Method | 
            DTMF | 
        
        
            | Flash Time | 
            No | 
        
        
            | CPC Detection | 
            No | 
        
        
            | Extension Numbering | 
            2-5 digits (programmable) | 
        
        
            | Pause Time | 
            100ms to 9900ms | 
        
        
            | Message Waiting Lamp | 
            Yes | 
        
        
            | Main CPU | 
            32-bit microprocessor | 
        
        
            | System Recording Time | 
            up to 1000 hours | 
        
        
            | Number of Mailboxes | 
            Max. 1024 boxes | 
        
        
            | Number of Messages | 
            unlimited | 
        
        
            | Personal Greeting Message Length | 
            up to 360 sec. | 
        
        
            | System Message Retention Time | 
            1-30 Days, or unlimited (programmable) | 
        
        
            | Maximum Message Length | 
            1-60 min. or unlimited (programmable) | 
        
        
            | Telephone Line | 
            Modular connector (RJ-11C) (2 conductor wire) | 
        
        
            | Data Port | 
            USB, LAN or Modem | 
        
        
            | Power Source | 
            AC 120V, 60 Hz | 
        
        
            | Two-Way Record | 
            Yes, DPITS only | 
        
        
            | Two-Way Transfer | 
            Yes, DPITS only | 
        
        
            | Automatic Configuration | 
            Yes, DPITS only | 
        
        
            | Dial by Name | 
            Yes | 
        
        
            | Group Delivery | 
            Yes | 
        
        
            | Message Transfer (with or without comments) | 
            Yes | 
        
        
            | Day/Night Service | 
            Yes | 
        
        
            | Voice Prompts | 
            Yes | 
        
        
            | System Reports | 
            Yes | 
        
        
            | Multilingual Service | 
            Yes | 
        
        
            | Remote Call Forwarding Set3 | 
            Yes | 
        
        
            | Activity Reports | 
            Mailbox Information, Call Account, Port Usage 
            HDD Usage, Mailbox Usage, Fax Call 
            Call Handling Statistics, Custom Service, Message Status 
            Subscriber Setup, Security Information, Hourly Statistics and Email | 
        
        
            | Greeting, After Hours | 
            Yes | 
        
        
            | Greeting, Busy | 
            Yes | 
        
        
            | Greeting, No Answer | 
            Yes | 
        
        
            | Internal Message Delivery | 
            Yes | 
        
        
            | Mailbox Name | 
            Yes | 
        
        
            | Mailbox Password | 
            Yes | 
        
        
            | Message Delivery Status | 
            Yes | 
        
        
            | Message Reception Mode | 
            Yes | 
        
        
            | Message Erase | 
            Yes | 
        
        
            | Message Fast Forward | 
            Yes | 
        
        
            | Message Pause | 
            Yes | 
        
        
            | Message Playback | 
            Yes | 
        
        
            | Message Repeat | 
            Yes | 
        
        
            | Message Rewind | 
            Yes | 
        
        
            | Message Save | 
            Yes | 
        
        
            | Message Scan | 
            Yes | 
        
        
            | Message Skip | 
            Yes | 
        
        
            | New Message Notification | 
            Yes | 
        
        
            | Play Previous Message | 
            Yes | 
        
        
            | Private Messages | 
            Yes | 
        
        
            | Reply to Subscriber(s) | 
            Yes | 
        
        
            | Time and Date Stamp | 
            Yes | 
        
        
            | All Calls Transferred to Mailbox | 
            Yes | 
        
        
            | Alternate Extension Transfer Sequence | 
            Yes | 
        
        
            | Auto Message Move/Copy | 
            Yes | 
        
        
            | Broadcast Message | 
            Yes | 
        
        
            | Call Blocking | 
            Yes | 
        
        
            | Call Transfer Status | 
            Yes | 
        
        
            | Class Of Service | 
            Yes | 
        
        
            | Clock Synchronization with PBX | 
            Yes | 
        
        
            | Coverage Mode, Busy | 
            Yes | 
        
        
            | Coverage Mode, No Answer | 
            Yes | 
        
        
            | Daylight Saving Time Assignment | 
            Yes | 
        
        
            | Department Dialing | 
            Yes | 
        
        
            | External Message Delivery Status | 
            Yes | 
        
        
            | Fax Management | 
            Yes | 
        
        
            | Fax Transfer | 
            Yes | 
        
        
            | Group Distribution Lists, Personal | 
            Yes | 
        
        
            | System Groups Mailbox | 
            Yes | 
        
        
            | Hold Call | 
            Yes | 
        
        
            | Mailbox, General Delivery | 
            Yes | 
        
        
            | Mailbox, Guest | 
            Yes | 
        
        
            | Mailbox, Interview | 
            Yes | 
        
        
            | Mailbox, Message Manager | 
            Yes | 
        
        
            | Mailbox, Subscriber | 
            Yes | 
        
        
            | Mailbox, System Manager | 
            Yes | 
        
        
            | Message Waiting Notification, Continuous | 
            Yes | 
        
        
            | Message Waiting Notification, Outdial | 
            Yes | 
        
        
            | Message Waiting Notification, Pager | 
            Yes | 
        
        
            | Message Waiting Notification, Scheduled | 
            Yes | 
        
        
            | Multiple Company Greetings | 
            Yes | 
        
        
            | Operator Service, Day/Night | 
            Yes | 
        
        
            | Recordable System Prompts | 
            Yes | 
        
        
            | Rotary Telephone Service | 
            Yes | 
        
        
            | Service Access Commands | 
            Yes | 
        
        
            | System Clock | 
            Yes | 
        
        
            | System Prompts After Personal Greeting | 
            Yes | 
        
        
            | Unlimited Message Length | 
            Yes | 
        
        
            | Digital Integration | 
            Yes | 
        
        
            | In-band Integration | 
            Yes | 
        
        
            | PC-based Programming | 
            Yes | 
        
        
            | Quick Set-up | 
            Yes | 
        
        
            | System Manager Administration | 
            Yes | 
        
        
            | Utility Commands | 
            Yes | 
        
        
            | Voice Mail Menu | 
            Yes, with KX-TDA with LCD proprietary telephone only | 
        
        
            | Remote Change of Company Greeting | 
            Yes | 
        
        
            | Built-In Modem for Remote Maintenance | 
            Yes, optional | 
        
        
            | Spanish Prompts | 
            Yes | 
        
        
            | Dimensions (H x W x D) | 
            10.63'' x 19.29'' x 15.75'' | 
        
        
            | Weight | 
            12.28 lbs |