ESI Products
ESI products deliver all the important features businesses need, are incredibly easy to use, and yet are very affordable. ESI’s award-winning products (available through a nationwide network of more than 500 Certified ESI Resellers) include our IP Series voice-over-IP (VoIP) phone systems, our best-selling IVX Series all-in-one digital phone systems, and our local/remote IP Feature Phones.
ESI System Capacities (click on a model or feature to learn more)
- Station Ports
- Digital Stations
- IP Stations
- Analog Stations
- CO Lines
- Call Processing Ports
- Digital Line Card (T1/PR1)
- Voice Mail Ports
- Voice Storage (hours)
- "Special Purpose" Mailbox
- Conference Ports
- Built in ACD
- Shared office tenanting
- Network Service Processor (NSP)
- ESI Presence Mgt
- VIP PC Applications
- *Twinning
- Mirrored Memory
-
- 192
- 168
- 192
- 56
- 84
- 300
- 3
- 24
- 600
- 1229
- 24
- Yes
- 4
- Standard
- Optional
- Optional
- Free Download
- Optional
-
- 408
- 336
- 408
- 188
- 168
- 624
- 6
- 32
- 1200
- 1481
- 64
- Yes
- 8
- Standard
- Optional
- Optional
- Free Download
- Optional
-
- 864
- 352
- 512
- 176
- 192
- 1104
- 8
- 32
- 140
- 1000
- 64
- Optional
- 8
- Standard
- Optional
- Optional
- Standard
-
- 816
- 504
- 816
- 384
- 240
- 1128
- 10
- 128
- 1200
- 1941
- 64
- Yes
- 8
- Standard
- Optional
- Optional
- Free Download
- Optional
