The ESI-600 architecture allows expansion when required. Each system cabinet (one Base Cabinet and up to three Expansion Cabinets) mounts in a standard equipment rack or on the wall.
System highlights (maximum capacities shown)
Total stations - 408
IP stations - 408
Digital stations - 336
Analog stations - 188
Call-processing ports - 624
Central Office (CO) lines - 168
Digital line cards (T1/PRI) - 6
Voice mail ports - 32
Voice storage (hours) - 1,200
Station/special-purpose mailboxes - 1,481
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 - Optional
ESI CS 600 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