Businesses are changing and expanding, the growth cannot be limited by the phone system. Designed to grow along with the business and take advantage of ISDN network, NEXTEL ISDN SUPER DKX SYSTEMS provides a flexible architecture from 0 to 96 ports. That’s simple to tailor to the business needs.

Evolution and continuity are the key concept of new system, building on the past while looking forward to advances in communications technology in the 21st century with the duty to protect the customer investment from the equipment obsolescence.

With a faster new processor reaching the total integration of two worlds: completely digital, has access to CO lines and Integrated Services Digital Network (ISDN), both CO line and extensions. 


Super DKX is a Digital Key Telephone System family which offers to the users the possibility to enter in the world of new communications -voice, data, video, etc..- on an easy, fast and efficient way, ever guaranteed by the quality of the last generation. (DKX Plus Systems).

After all, the basic component of daily business communication is the telephone, and the Super DKX will contribute to strenghtening that aspect of your business through more efficient telephone communications that lead to improved customer service.

Two are the equipments which forms this new generation of systems:
Super DKX-S, is the basic unit of the family, oriented preferentially to small companies, bank subsidiaries, and even professional offices which require a high level of features and services.

Is equipped with a diverse and flexible line-up of functions that allow you to convey the information you desire to be conveyed both quickly and accurately, allowing you to build a communications network that can accommodate the full range of business needs.

This system is equipped with a basic configuration of six digital extensions and two single lines extensions. It is provided with optional cards of communications, for Co lines, ISDN basic rates, single line extensions and optional services, and is reaching its maximun capacity at 28 ports.

Super DKX-L is fully compatible with Super DKX-S, in their cards and terminals,and it comes up to cover perfectly the current and future needs of small and medium companies.

This system grows in proportion to the needs of the company. Equipped with a Key System Unit of 24 ports and two additional expansors allow the growing to 36 ports each, reaching the maximum capacity at 108 ports.

All the cards and terminals are compatibles inside the Super DKX family.

MAXIMUM CAPACITY Super DKX-S Super DKX - M/L
Co lines 8 48
Basic Rates ISDN 4 16
Super DKX Digital Extensions 6/26 96
DKX Plus Digital Extensions   20 96
ISDN Extensions 24 104
Single Line Extensions 2/22 84