Communication Server
The ESI-200 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 – 192
IP stations – 192
Digital stations – 168
Analog stations – 56
Call-processing ports – 300
Central Office (CO) lines – 84
Digital line cards (T1/PRI) – 3
Voice mail ports – Up to 24
Voice storage (hours) – Up to 600
Station/special-purpose mailboxes – 1,229
Conference ports (16 members/conference) – 24
Built-in automatic call distribution (ACD) – Yes
Shared-office tenanting (tenants) – 4
ESI Presence Management – Optional
VIP applications – Optional
Mirrored Memory Module (M3) backup – Optional
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)