Following these steps will enable programming on an NEC DSX phone system. Changing settings while in technician level programming on an NEC DSX may adversely effect phone system operation. If you are unsure how to program your system please call us for support at 866-898-2303. We can remotely access your system and you can watch live as we correct any issues you may have.
Press Intercom.
Dial #*#*.
Dial 632379 (NECDSX)
Press Hold.
Tech programming is now enabled on the NEC DSX phone system.
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