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ESI Phone System Parts

19 in stock
1-year warranty Same-day shipping 30-day returns ★★★★★★★★★★ 4.7 (26k+)

Need ESI phones? Check out our wide selection of ESI phones.

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Results 1 - 19 of 19
ESI 482 (Gen 2) 4-line Analog FXO 8-port Digital Station 2-port FXS Card

ESI 482 (Gen 2) 4-line Analog FXO 8-port Digital Station 2-port...

$378.98
$489.99
Save $111.01
The 482 card adds 4 lines,8 digital stations and 2 single...
The 482 card adds 4 lines,8 digital stations and 2 single line ports. This card supports the C+,S class gen 2 or 56s, 50L and CS 50 telephone systems.FeaturesESI IVX S-Class Gen II 482 PC 4x8x2...
Product Info
ESI Communications Server 100 IVC 12R12EL Intelligent VoIP Card (5000-0460)

ESI Communications Server 100 IVC 12R12EL Intelligent VoIP Card...

$234.00
Save $384.99
Refurbished 1 Year Warranty
Refurbished 1 Year Warranty
Product Info
ESI IVX E2 A12 Analog Station Card

ESI IVX E2 A12 Analog Station Card

$140.95
$224.99
Save $84.04
Refurbished 90 Day Warranty
Refurbished 90 Day Warranty
Product Info
ESI IVX E2 D12 12-Port Digital Extension Station Card - Gen II

ESI IVX E2 D12 12-Port Digital Extension Station Card - Gen II

$77.00
Save $353.99
Refurbished 90 Day Warranty
Refurbished 90 Day Warranty
Product Info
ESI 600 Series Plastic Port Card Adapter

ESI 600 Series Plastic Port Card Adapter

$37.95
$135.99
Save $98.04
Refurbished 90 Day Warranty
Refurbished 90 Day Warranty
Product Info
ESI Communications Server D12 PC Digital Station Card (5000-0420)

ESI Communications Server D12 PC Digital Station Card (5000-0420)

$66.97
$674.99
Save $608.02
Refurbished 90 Day Warranty
Refurbished 90 Day Warranty
Product Info
ESI Communications Server ESI-100 Phone System

ESI Communications Server ESI-100 Phone System

$398.95
$910.99
Save $512.04
Refurbished 1 Year Warranty
Refurbished 1 Year Warranty
Product Info
Low Stock!
ESI CS E2-A4 4-Port Analog Port Card

ESI CS E2-A4 4-Port Analog Port Card

$118.95
$404.99
Save $286.04
Refurbished 90 Day Warranty
Refurbished 90 Day Warranty
Product Info
ESI ESI-600 Port Card Adapter - Metal

ESI ESI-600 Port Card Adapter - Metal

$10.98
$34.99
Save 69%
Refurbished 90 Day Warranty
Refurbished 90 Day Warranty
Product Info
Low Stock!
ESI G2HS600PC T1/PRI Digital Line Card

ESI G2HS600PC T1/PRI Digital Line Card

$34.95
$309.99
Save $275.04
Refurbished 90 Day Warranty
Refurbished 90 Day Warranty
Product Info
ESI IVX 4x8 Expansion Card

ESI IVX 4x8 Expansion Card

$34.95
$223.99
Save $189.04
Refurbished 90 Day Warranty
Refurbished 90 Day Warranty
Product Info
ESI IVX E-Class NSP-2 Network Services Processor Module

ESI IVX E-Class NSP-2 Network Services Processor Module

$101.95
$149.99
Save $48.04
Refurbished 1 Year Warranty
Refurbished 1 Year Warranty
Product Info
Low Stock!
ESI IVX E2 DLC0PC 12-Port T1/PRI Station Card - 4310

ESI IVX E2 DLC0PC 12-Port T1/PRI Station Card - 4310

$34.95
$88.99
Save 61%
Refurbished 90 Day Warranty
Refurbished 90 Day Warranty
Product Info
ESI IVX E2 DLC12 PC 12-Port T1/PRI Station Card

ESI IVX E2 DLC12 PC 12-Port T1/PRI Station Card

$105.00
$999.99
Save $894.99
Refurbished 90 Day Warranty
Refurbished 90 Day Warranty
Product Info
ESI IVX E2 IVC Local Network VoIP Card

ESI IVX E2 IVC Local Network VoIP Card

$36.95
$281.99
Save $245.04
Refurbished 90 Day Warranty
Refurbished 90 Day Warranty
Product Info
ESI IVX/Communications Server Expansion Cabinet

ESI IVX/Communications Server Expansion Cabinet

$37.95
$189.99
Save $152.04
Refurbished
Refurbished
Product Info
ESI X-Class Backplane Card Mount

ESI X-Class Backplane Card Mount

$34.95
$122.99
Save $88.04
Refurbished 90 Day Warranty
Refurbished 90 Day Warranty
Product Info
ESI Communications Server 200 Processor CS 5010-0574 with 4GB CF Card (Defaulted)

ESI Communications Server 200 Processor CS 5010-0574 with 4GB...

$500.00
Refurbished 90 Days Warranty
Refurbished 90 Days Warranty
Product Info
ESI Communications Server ESI-50 Phone System (6 Port, 60 Hour Voicemail)

ESI Communications Server ESI-50 Phone System (6 Port, 60 Hour...

$650.00 – $749.99
Save up to $249.00
New 1-Year Warranty
New 1-Year Warranty
Product Info

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