ESI-1000 Server

The ESI-1000 architecture allows expansion when required. Each system cabinet (one Base Cabinet and up to five Expansion Cabinets) mounts in a standard equipment rack or on the wall.

System highlights (maximum capacities shown)

Total stations - 816
IP stations - 816
Digital stations - 504
Analog stations - 384
Call-processing ports - 1,128
Central Office (CO) lines - 240
Digital line cards (T1/PRI) - 10
Voice mail ports - 128
Voice storage (hours) - 1,200
Station/special-purpose mailboxes - 1,941
Conference ports (16 members/conference) - 64
Built-in automatic call distribution (ACD) - Yes
Shared-office tenanting (tenants) - 8
ESI Presence Management - Optional
VIP applications - Optional
Mirrored Memory Module (M3) backup - Standard

ESI CS 1000 Brochure

Plus other ESI Communications Server features:

• Both digital and IP-based
• Standards-based design (including SIP support)
• ESI’s Verbal User Guide™
• Six-level, 100-branch automated attendant
• Automatic call distribution (ACD)
• ESI phones
  • Desktop and cordless models
  • Digital and IP
• ESI options
  • ESI Presence Management™
  • VIP™ family of applications
• Optional IP-based features, including Esi-Link (combines up to 100 ESI systems into one)

Extensive phone options -

• ESI Digital Feature Phone — 12-Key, 24-Key, 48-Key regular, and 48-Key TAPI.
  
• ESI 48-Key IP Feature Phone II — Connects via LAN, WAN, or Internet; provides full ESI feature set via IP, either locally or at remote location; uses industry-standard G.711 and G.726 compression to reduce bandwidth requirements.
  
• ESI Cordless Handset — Two sizes each of three models: Digital, [local] IP, and Remote IP; IP models allow Power over Ethernet (PoE) or AC power for your maximum convenience.
  
• Standard analog sets