ESI 56s System:
- Supports up to 16 lines and 32 digital stations
- Supports up to 6 analog stations
- Built-in voicemail for each phone user, plus up to 190 guest/info mailboxes
- Auto-Attendant with flexible options
- Built-in Music On Hold
- Caller ID capable
- Support for digital cordless phones
- Optional VIP software for unified messaging/computer telephony
- Built-in verbal help and tutorial
- Flash-based storage for reliability
- Click on link below to get more details on the many easy and time-saving features the 56s has to offer:
Click here to view the 56s brochure
Click here to view hallmark features video
Note: all brochures require Adobe® Reader® to view.

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ESI Communications Servers:
- Converged architecture supports digital and IP phones easily, in any combination
- Supports up to 240 lines and 816 stations (digital, IP or a combination)
- IP phones come in local desktop or cordless version, remote desktop or cordless version (for teleworkers or personnel who travel), and PC IP Phone for Windows (softphone)
- T1/PRI capable
- Automatic Call Distribution (ACD)
- Supports up to 384 analog stations
- ESI-Link (site-to-site IP) capability
- Built-in voicemail for each phone user, plus up to 1000 guest/info mailboxes
- Auto-attendant with up to 6 levels of menus and 100 branches
- Built-in Music on Hold
- Caller ID capable
- Support for digital cordless phones
- Built-in verbal help and tutorial
- Flash-based storage for reliability or hard drive with optional RAID redundancy
- Optional VIP software for unified messaging/computer telephony
- PC Attendant/operator console option
- Presence Management option (security, doorphones, attendance & payroll)
- Multi-tenant capable
- Click on link below to get more details on the many other features the Communications Servers have to offer:
Communications Servers Overview
ESI-100 Communications Server
ESI-200 Communications Server
ESI-600 Communications Server
ESI-1000 Communications Server
Hallmark Features video
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