ESI 48-Key Feature Phone

Works with the IP Server 900 and ESI Communications Servers with 30 to 150 programmable keys
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ESI 48-Key Business Phone

ESI 48-Key Feature Phone

ESI’s 48-Key Feature Phone has a large display with adjustable backlighting, a full-duplex speakerphone, and 30 programmable feature keys for maximum productivity. The 48-Key Feature Phone offers an impressive combination of power and ease-of-use.

Features and Benefits

ESI’s 48-Key Feature Phone has a large display with adjustable backlighting, a full-duplex speakerphone, and 30 programmable feature keys for maximum productivity. The 48-Key Feature Phone offers an impressive combination of power and ease-of-use. Each 48-Key Feature Phone model has a sealed membrane below the keys to make it virtually spill-proof; and the sturdy multi-position angled base lets it fit on any desk or counter space so you can easily see the status of the display and keys. Each 48-Key Feature Phone model also can be wall-mounted.

48-Key Digital Feature Phone

  • Systems: IP Server 900; ESI Communications Servers.
  • Programmable keys: 30 [up to 150 with optional Expansion Consoles attached].
  • Voice Mail key: Yes; dedicated.
  • Help key: Yes; dedicated.
  • Display: Three-line, 56-character, with adjustable backlighting.
  • Speaker: Yes. Speakerphone: Yes, full-duplex.
  • Integrated headphone jack: Yes.

48-Key IP Feature Phone II

  • Systems: IP Server 900; ESI Communications Servers
  • Programmable keys: 30 [up to 150 with optional Expansion Consoles attached].
  • Voice Mail key: Yes; dedicated.
  • Help key: Yes; dedicated.
  • Display: Three-line, 56-character, with adjustable backlighting.
  • Speaker: Yes. Speakerphone: Yes, full-duplex.
  • Integrated headphone jack: Yes.
The 48-Key Feature Phone II provides the same capabilities as the 48-Key Digital Feature Phone, yet with the additional advantage of “one-wire” VoIP (voice over IP) telephony. Works both locally (LAN) and remotely (WAN or Internet). Uses either Power over Ethernet or regular AC power, to maximize your connection convenience.

Product Compatibility

The 48-Key Feature Phone is Compatible with the Following ESI Phone Systems:

ESI 1000

ESI 1000

IP Server 900

ESI IP Server 900

ESI 200

ESI 200

ESI 100

ESI 100

ESI 50

ESI-50 Phone System

ESI 50L

ESI-50L
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