IVX X Class | (click for full product details)
ESI’s patented X-Class All-In-One Phone Systems are the latest addition to the ESI product line. With up to 256 communications ports, IVX X-Class boasts the largest capacity among ESI’s IVX (Integrated Voice Exchange) family of advanced business telecommunications systems.

IVX X-Class provides voice mail, an automated attendnt, and automatic call distribution (ACD). It also supports ESI’s VIP enhancement for Microsoft® Outlook® as well as advanced voice over IP (VoIP) communications.* Its many features** make IVX X-Class an attractive choice for a wide variety of organizations.

Ready to tackle your office communications needs
Each X-Class phone system combines multiple first-rate, feature-rich systems into one tightly integrated unit:

• Business phone system
• Voice mail
• Automated attendant
• Messages-on-hold
• Enhanced Caller ID**
• Automatic call distribution (ACD)
• Intelligent Call Forwarding™ †
• Optional VIP communication management tool
• Network-based VoIP telephony*

And, depending on the system and configuration you select with the help of your ESI Reseller, an IVX X-Class system can handle the communications needs of bigger organizations:

• Up to 168 stations
• Up to 84 CO lines
• T1 support — Up to 72 T1 lines
• 420 hours of voice message storage
• Sophisticated voice mail features
• Automated attendant has six levels, 100 branches
• TAPI support

Powerful— but friendly
Each IVX X-Class phone system says, “Good morning.” It teaches you how to use and program it. It reminds you to change your personal greeting after a trip. And it stands by, ready to assist you whenever you need help. There are several different models of ESI Feature Phones; each is a compact, attractive addition to any desk, designed to simplify your telecommunications.

Easy to choose; easy to use
An IVX X-Class All-In-One Digital Phone System is an easy choice over other phone systems. Its ease of use and feature-richness reduces staff frustrations, increases productivity and enhances your corporate image. And an IVX X-Class system’s unique integration provides call processing efficiency and cost savings previously impossible.

Full Product Details:

Overview

• Scalability
  IVX X-Class can grow from IVX 128x (up to 78 Å~ 84 Å~ 28) to a fully loaded IVX 256x system (up to 84 Å~ 168 Å~ 56).* Additionally, it can support up to three T1 or PRI high-bandwidth lines.
• Powerful voice mail capabilities
  The integrated voice mail system includes 24 always-available channels and includes ESI’s exclusive Quick Groups™, Quick Move™ and Virtual Mailbox Key features. Your ESI Reseller can also provide ESI’s innovative VIP communications management option.
• Extensive phone options
  ESI Digital Feature Phone — 12-Key, 24-Key, or 48-Key.
  ESI 48-Key IP Feature Phone — Connects via LAN.
  ESI 48-Key Remote IP Feature Phone — Connects via WAN or Internet. Standard analog sets. 
• Advanced phone features
  Some examples include ESI’s enhanced Caller ID, live call recording and screening, ACD, Esi-Dex™ speed-dialing, built-in message-on-hold and Verbal User Guide.
• Esi-Link (multi-site) support
  Multiple systems can be interconnected across an enterprise’s dedicated WAN, creating virtually seamless connectivity among multiple offices. While some competing systems are unable to provide more than bare-bones phone features in such arrangements, IVX X-Class distant extensions operate across your Esi-Link network as though they were local, providing one-button dialing, simplified call transfer, conference calling, and message sharing.
• Remote Feature Phone capability
  With the rapid growth of DSL and other broadband services, fully functional Remote IP Feature Phones can be deployed to small remote locations such as local sub-offices or teleworkers’ desktops at home. 

System features

• Full integration
  One cabinet contains a phone system, voice mail/automated attendant, and automatic call distribution — all working together as an integrated whole.
• Eight message-on-hold (MOH) recordings
  This feature provides a professional sound without licensing fees. Use the three supplied music tracks, or record and use up to five of your own.
• Auto attendant
  Provides extensive call routing, including directories, automatic day/night operation, off-premises transfer, pager notification and more.
• Automatic call distribution (ACD)
  ACD places sales or service personnel in departments and either (a.) routes a call to the longest-idle agent or (b.) places the call on hold if all agents are busy and then immediately connects when the first agent is available. Constantly updates Feature Phone display regarding queues and wait times.
• Highest voice quality
  Records voice messages with 64-kilobit-per-second sampling, for the highest quality sound a telephone line can carry.
• Call statistics
  Delivers detailed reports at the touch of a key and provides SMDR.
• TAPI support
  (Basic Telephony Service.) Provided either via the VIP option or through the connection between the workstation and a host ESI TAPI Feature Phone.
• T1/PRI support
  Lets larger offices make fullest use of broadband lines.
• Up to 56 fully functional analog ports
  Each allows voice mail, park/retrieve, transfer, page, call waiting, off-premises message delivery and more.
• Conference calling
  IVX X-Class system supports up to six conferences, each with three or four participants.
• Esi-Dex speed-dialing
  Calls any number from three separate lists (personal, station and system); uses Caller ID information or direct keypad entries
• Intelligent Call Forwarding™
  Forwards calls to you when you’re away from the office and sends along the real caller’s original Caller ID** information (if it’s someone calling from another extension on your phone system, you even see his/her extension number), so you can see who the real caller is.†
• Dedicated overhead paging interface
  Allows intra-system paging through the speaker built into the ESI Feature Phone or through an ancillary overhead paging system.

Voice mail features

• 24 built-in voice mail ports
  “Always-on” channels available for voice mail, auto attendant, call recording without using system trunks or station ports.
• Massive voice message storage capacity
  IVX X-Class holds an incredible 420 hours of voice messages, making it even more practical to use the recording and voice mail features that make IVX special.
• Off-premises message delivery
  Delivery to a cell phone or home phone combined with pager notification, for extensive notification capability.
• Urgent messages
  Can deliver higher-priority messages first.
• Message Recycle Bin (undelete)
  Remembers, and can restore, each mailbox’s 10 most recently deleted messages.
• Quick Groups
  When a user wants to share a message with several other users, this feature lets the user do so by just pressing VOICE MAIL and the appropriate station keys.
• Quick Move
  Press a station key during live recording to move the message automatically to that user’s mailbox.
• Virtual Mailbox Key
  A programmable function key “tied” to any mailbox; allows simplified monitoring of a second mailbox.
• Multiple personal greetings
  Pre-record up to three greetings and assign them to a programmable key for one-touch selection.
• AutoPage™
  Allows a caller forwarded to a user’s voice mailbox to page the user over the user’s business’s internal overhead paging system.
• QuickPage™
  Lets one station user QuickPage another station by pressing a designated QuickPage key followed by either a station extension or a programmable key set for a station.
• Guest mailboxes
  Make it possible to give voice mail to personnel (such as those in outside sales or manufacturing) who may not have actual extensions assigned to them. A guest mailbox can be handled like a regular extension (e.g., listed in the directory, assigned a station key, etc.).
• Info mailboxes
  These can be used to give callers information on a variety of different subjects by “publishing” these mailbox numbers.
• Broadcast mailbox
  The broadcast mailbox is used to leave a single message in all of the system’s station users’ mailboxes.
• Group mailboxes
  Each X-Class system supports up to 16 group mailboxes with up to 32 members each. Users can set or change the list of group mailbox members.
• Message notification
  On a mailbox-by-mailbox basis, the system can be programmed to call an off-premises number or another extension to deliver messages and/or dial to an external commercial paging network to activate a user’s pager.
• Cascade paging mailboxes
  Ten cascade paging mailboxes can be assigned to anyone who requires escalating levels of paging beyond the single level available in all user mailboxes.
• Q & A mailboxes
  Ten question-and-answer (Q & A) mailboxes can store to 10 questions each. The individual answer segments recorded by the caller are stored as a single message, with the answer segments separated by short beep tones.
• Optional VIP
  Works with Microsoft® Outlook®.
  Provides on-screen call control, voice mail management, contact management. Much more than simply unified messaging.

Auto attendant features

• Six levels, 100 branches
  The many branches allow setup of a more caller-friendly answering environment, including a company directory.
• Virtually unlimited call routing
  Includes off-premises transfer, pager notification, more.

Station features

• Call waiting
  Display shows both calls’ Caller ID information; user can toggle between calls by pressing the FLASH key.
• Enhanced Caller ID
  ESI’s patented enhancements allow one-keystroke return of a call as well as quick addition of the caller to the user’s speed-dial list.
• One-touch access to a number of features
  This lets the user press dedicated keys rather than having to remember multi-key codes. To access voice mail, the user just presses VOICE MAIL; to perform a conference call, CONF; or, to transfer a call, TRANSFER.
• Esi-Dex built-in directory
  Works with Caller ID to keep an alphabetical speed-dial list; accessible with a keystroke and shown on the display.
  Three separate speed-dialing lists: personal, station and system.
  Users can make entries directly from the IP Feature Phone keypad, as well as scroll through lists (to save time, users can select which names to view within each list).
• Missed Call Key™
  Allows review of Caller ID*** data of an extension’s last 10 unanswered calls in which each caller didn’t leave a message. The user can return each call by pressing one key.
• Live call recording
  Record a conversation, conference call or personal reminder memo for later playback, as well as moving or copying to others’ mailboxes.
• Live call screening
  Works like a home answering machine; the user can listen to a message while someone leaves it. The user can pick up the handset at any time to take the call or just let the caller continue to leave a message in his/her mailbox.
• Verbal Help Key™ and Verbal User Guide™
  These use hundreds of prompts to guide users through virtually every feature of the system.
• Virtual Answer Key™
  For use when one is already on another call but wants to give special attention to a second call that’s in call waiting. Set as many as two programmable feature keys to be Virtual Answer Keys. Each plays a recorded greeting telling the caller the user knows he/she is calling and, depending on programming and how the prompt is recorded, can also give the caller an easy way to dial out to another extension where he/she can gain immediate assistance
• Service observing
  Lets authorized personnel silently observe (and record) station-to-outside calls
• Off-premises “reach-me”
  Allows a caller forwarded to one’s voice mailbox to reach the user at an external number (e.g., home phone or mobile phone).
• Dedicated HOLD key
  Supports both system-wide and exclusive (station-specific) hold. Permits virtually unlimited hold “orbits.” (Also supports hold/retrieve with analog phones.) Holds calls for easy pickup at any station without elaborate codes to remember. For exclusive  hold, just hold down the key for a second
• Optional 60-Key Expansion Console

Programmable feature keys
The programmable feature keys can be programmed as follows:

• CO line key
  Provides direct access to a particular desired line.
• Station key
  Provides direct access to, and lamp information for, extensions, departments, guest mailboxes, etc
• Speed-dial key
  Provides one-touch key for outside calls.
• Special feature keys
  Can be set to provide one-touch access to the following features:
  • Overhead paging key
  • Message monitor key
  • Manual day/night mode key
  • Background announce key
  • Service observing key
  • Personal greeting 1
  • Personal greeting 2
  • Personal greeting 3
  • ACD agent log on/off key
  • ACD agent wrap key
  • ACD administrator key
  • Missed Call key
  • Headset key
  • Virtual Mailbox Key
  • Virtual Answer Key
  • Call forward key
  • QuickPage

Analog extension ports
Up to 30 analog extensions (28 on IVX) can be programmed, based on the number of cards installed in the system. The ports can be defined as:

• Phone
  Designed to provide for standard 2500-type phones.
• Common ringer
  Connected via a tip-and-ring pair; will apply ring voltage whenever a line rings in night mode.
• Fax
  If the auto attendant detects a fax tone, it will automatically forward the tone to the analog port programmed as a fax device.
• Modem
  Incoming calls for a modem can be manually transferred to the modem extension; also, the modem can automatically generate outbound calls.
• Door phone
  A telephone connected to this port will automatically dial the programmed ring-down extension number whenever the set is taken off-hook

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