ESI-100 Communications Server

The ESI-100 Communications Server is ideal small business telephone system for offices or branch offices. It is a wall mounted unit and can support a total of 84 stations (a mix of up to 72 IP/VOIP, 48 Digital or 28 Analog). The Base Cabinet and one optional Expansion Cabinet are wall mounted. For expansion and multiple offices, you can link up to 100 ESI systems using ESI-Link.

Capacity for the ESI-100 Communications Server is as follows:

ESI-200 Communications Server

The ESI-200 Communications Server is the ideal telephone system for growing small to medium sized business, offices or branch offices. It can support a total of 192 stations (a mix of up to 192 IP/VOIP, 168 Digital or 56 Analog). The Base Cabinet and one optional Expansion Cabinet can be wall mounted or rack mounted. For expansion and multiple offices, you can link up to 100 ESI phone systems using ESI-Link.

Capacity for the ESI-200 Communications Server is as follows:

ESI-600 Communications Server

The ESI-600 Communications Server is ideal for medium sized businesses, offices or branch offices. It can support a total of 408 stations (a mix of up to 408 IP/VOIP, 336 Digital or 188 Analog). The Base Cabinet and up to three optional Expansion Cabinet can be wall mounted or rack mounted. For expansion and multiple offices, you can link up to 100 ESI phone systems using ESI-Link.

Capacity for the ESI-600 Communications Server is as follows:

ESI-1000 Communications Server

The ESI-1000 Communications Server is ideal for large business, offices or branch offices. It can support a total of 816 stations (a mix of up to 816 IP/VOIP, 504 Digital or 384 Analog). The Base Cabinet and up to five optional Expansion Cabinet can be wall mounted or rack mounted. For expansion and multiple offices, you can link up to 100 ESI phone systems using ESI-Link.

Capacity for the ESI-1000 Communications Server is as follows:

ESI IVX S-Class

The IVX S-Class is a feature-rich Business Phone System that combines multiple first-rate systems into one tightly integrated unit. This ESI phone system supports a full-featured voice mail/automated attendant, Messages-on-hold, Enhanced Caller ID, optional VIP and VIP Professional communications management tools and optional IVX Presence Management.

The IVX S-Class handles a configuration of up to 16 phone lines, 32 digital stations, and eight analog stations. When your business grows beyond this capacity, IVX S-Class can migrate to a larger ESI system which uses the same ESI phones, minimizing upgrade costs and retraining.

ESI offers IVX S-Class with voice mail or Integrated Answering Machine™. Each option is designed for easy expansion.

ESI IVX C-Class

The ESI IVX C-Class has big-system features in a package that is perfect for small businesses. The ESI IVX phone system design brings all the business communications features you need built in, not added on. The ESI IVX C-Class will handle up to six phone lines, 12 digital stations and two analog stations for fax machines or cordless phones. The ESI IVX IVX C-Class uses ESI’s built-in, sixth-generation voice mail which supports two available channels of voice mail and two hours of voice message storage. The automated attendant provides up to 18 branches that conveniently route callers to their desired extensions or departments, or even destinations outside the system. Other IVX C-Class voice mail features include live call screening, and off-premises “reach-me,” external message notification.

The IVX C-Class packs tremendous communications power into a wall-mountable box that needs very little space, and is very energy efficient.

48-Key Desktop Feature Phone

The ESI 48-Key Desktop Feature Phone is ideal for active phone users. It has a large 3-line, 56 character display, speakerphone, voice mail key, integrated headphone jack, and plenty of programmagle feature keys to help you achieve maximum productivity. You can also attach up to two optional expansion consoles, each giving you an addition 60 programmable feature keys.

48-Key IP Feature Phone II

The 48-Key IP Feature Phone II supports all the great features of the 48-Key Feature Phone, but also has "one-wire" VoIP (Voice over IP) telephony, supporting both local and remote (LAN and WAN) connectivity. It uses Power over Ethernet (PoE) or regular AC power.

24-Key Digital Feature Phone

The ESI 24-Key Digital Feature Phone is ideal for casual users who need access to standard phone system features but require less customization. It supports 12 programmable keys, voice mail key, speakerphone and a two line, 32 character display.

12-Key Digital Feature Phone

The ESI 12-Key Digital Feature Phone is designed for occational users such as in lobbies, warehouses and reception areas. It has 9 programmable keys and a one line, 16-character display.

ESI Digital Cordless Handset

The ESI Digital Cordless Handset uses 900MHz technology to provide a mobile handset for those who are on the move around the workspace. 900MHz will pass through walls more effectively than other cordless handsets using 2.4GHz or 5.8 GHz bands. ESI Digital Cordless Handsets give you the same features as the 24-Key Desktop Feature Phone, but in a compact, lightweight format.

You can use the ESI Quick Switch feature to go between your desktop ESI phone and your cordless handset, just by pressing a key.

ESI Cordless Handsets come in two sizes, large and small, and there are three versions for each size (Digital, Local IP and Remote IP). All support a two-line, 32-character display and integrated headphone jack.