Project Description

esi-55d-business-phone-telecommunication-eureka-ca-humboldt-countyESI’s 55 Business Phone offers an impressive combination of power and ease-of-use.

  • Network: Ethernet IP; 10/100, Ethernet IP; Digital
  • ESI Products: IP Server 900, ESI Communication Servers (ESI -1000, 600, 200, 100, 50, 50L)
  • Programmable keys: 30 (up to 150 with optional Expansion Consoles)
  • Dedicated Voicemail key
  • Dedicated ESI quick HELP key
  • Integrated headphone jack
  • Display: three-line, 56-character, adjustable backlighting
  • Full-duplex speakerphone

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