NEC Phone Systems


NEC Phone Systems

Aspire, ELITE IPK, I SERIES, DS1000, DS2000, SL1100, UX5000, & DSX.

New NEC Phone Systems

NEC Phone System Sales

The latest model NEC Phone Systems for small to large business with the needs of a system as small as three phones to a large system with the needs of up to 96 phones.  New system purchases include phone system programming with 60 days of updates plus lifetime support..

NEC SL1100 Phone System


The SL1100 can grow from 4 incoming lines X 8 digital station ports X 4 analog stations. Fully expanded with a maximum of 96 digital extensions, 16 analog extensions, and 48 voice lines.

Headsets for NEC Phones

Headsets for NEC Phones

Affordable headsets available for most NEC phones such as wireless, corded, over the ear, over the head and a behind the neck model.

UX5000 Phones

NEC DG-12e Phone

SV8100 Phones

DTL-12D-1 Phone - Click Image to Close

NEC Replacement Phones

We Have Your Phone!

NEC Replacement Phones

What is unique thing about ESSI over our competitors is we specialize in hard to find replacement phones, cards, cabinets, and parts for older NEC Systems such as the NEC Aspire, DS1000 and DS2000, the NEC Elite, and I Series.

NEC DSX Phone System


What makes the DSX such an affordable phone system is it is available in 3 configurations for small to large business with the needs of up to 96 phones. If needed the DSX supports VoIP and voice mail to email integration.

NEC Cordless Phone

NEC Cordless Phone

Compatible with most of the later model NEC Phone Systems such as the NEC Elite, Aspire, DSX, SL1100, UX5000, and the SV8100.  this cordless phone is not compatible with the DS1000 and the DS2000.  This phone features most all the same features as the desk phones and has 8 programmable buttons so it can see up to 8 lines in.

Older NEC Systems

Discontinued NEC Phone Systems

ESSI specializes in providing business owners hard to find replacement phones and pieces for all types of discontinued NEC systems.

Phone System Technicians

Phone Technicians needed to install the NEC Systems nationwide in San Francisco, San Jose, Los Angeles, Orange County, Riverside, San Diego California, and all of New Jersey, New York, Maryland, Pennsylvania, Georgia, Dallas Texas and Pennsylvania.


Payment Methods

NEC Star
NEC 5 Star Channel Reseller

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NEC Phone Systems