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Nokia no longer provides support for this Product, it has been discontinued. Refer to the Nokia Maintenance Services End of Life Guideline for additional information.

The Nokia 1AESS - 1A Electronic Switching System with Attached Processor (3B20 Duplex Computer). The AT&T/Lucent 1AESS local Read More...

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In various systems, this product is listed as "1AESS". This product is in a Delete state in the Nokia portfolio.

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