ESI phone systems at a glance

	IVX					IP
	IVX S-CLASS			IVX E-CLASS		IP E-CLASS
	IVX 42s	IVX 42s	IVX 42s	IVX 72e	IVX 128e	IP 40e	IP 200e
Voice messaging configuration	IAM	4-pt VM	6-pt VM	8-pt VM	16-pt VM	8-pt VM	16-pt VM
Phones/systems compatibility   See also phone comparison chart on this page
48-Key Feature Phone
24-Key Feature Phone						n/a	n/a
12-Key Feature Phone						n/a	n/a
60-Key Console support
IP phone support	—	—	—	Opt.	Opt.
Remote IP Feature Phones	—	—	—	Opt.	Opt.	Opt.	Opt.
Features and options
Maximum call- processing ports	42	42	42	72	126	70	198
Available port card slots	2	2	2	4	7	2	10
Smallest config. Lines x extensions x analog ports	4x8 x2	4x8 x2	4x8 x2	6x12 x0	6x12 x0	3X28 x0	3X96 x0
Maximum CO lines	12	12	12	42	66	30	66
Maximum digital stations	24	24	24	48	84	28	96
Maximum analog ports	6	6	6	16	28	6	30
Maximum T1 channels	—	—	—	24	48	24	48
Maximum PRI channels	—	—	—	23	46	24	48
Esi-Mail™ unified messaging support	—	—	—	Opt.	Opt.	Opt.	Opt.
TAPI support	Opt.	Opt.	Opt.	Opt.	Opt.	Std.	Std.
Esi-Link™ IP multi-site support	—	—	—
Maximum built-in user mailboxes	—	30	30	48	84	34	126
Built-in auto attendant	—
Maximum automated attendant branches	—	18	18	100	100	100	100
Voice message storage (hrs.)	0.5	2	30	70	280	70	280
Built-in voice message channels	2	4	6	8	16	8	16
Guest/information mailboxes	—	10	10	190	190	190	190
Automatic fax switching
Music/ message- on-hold recordings	4	5	5	8	8	8	8
SMDR (Station Message Detail Recording)
Internal paging
External paging interface
Built-in modem
Dedicated serial ports	1	1	1	1	1	1	1
Programming via PC, local
Programming via PC, remote
Esi-Dex™ built-in directory
ACD (automatic call distribution)	—	—	—
Verbal Help Guide™ — spoken help
Dedicated VOICE MAIL key (24-/48-Key Phones)
Live call recording	—
Live call screening
On-hold dialing
Enhanced Caller ID*
Personal greeting keys
Service observing	—	—	—
911 alert
AutoPage	—	—	—
Cascade paging mailboxes	—
Q & A mailboxes	—	—	—
Goup mailboxes	—	—	—
Off-premises message delivery
Off-premises “reach me”
Message Recycle Bin
Missed Call Key	—	—	—
Quick Groups™	—
Quick Move™	—
QuickPage™	—	—	—
Remote recording of main greeting	—
Voice mail display
Visual hold
Virtual Answer Key
Virtual Mailbox Key

Phone comparison chart
Phone model	12-Key Digital	24-Key Digital	48-Key Digital	48-Key Digital TAPI	48-Key IP	Remote IP	60-Key Console
Display (lines •  characters)	1 • 16	2 • 32	3 • 56	3 • 56	3 • 56	3 • 56	n/a
Programmable feature keys	9	12	30	30	30	30	60
Fixed feature keys	3	12	17	17	17	17	n/a
VOICE MAIL key	**						n/a
Four-angle tilt stand
Speaker							n/a
Microphone (for spkrphn. use)	—						n/a
Status indicator lamp	—						n/a

IVX S-Class, IVX E-Class and IP E-Class products available from only resellers with certain ESI factory training. Product specifications and details subject to change without notice. Some features mentioned herein may not yet be available. Copyright © 2004 ESI (Estech Systems, Inc.).