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NEC AP20 and ML440 Cordless Phone Firmware

It is recommended that both AP20 and ML440s be upgraded to version 324 build 26.

Resolved Field Complaints:

  • F150528004 (SV8300/SV9300) ML440 registrations fail with version 3.22
  • F140319003 AP20 responding to SL1100 request to subscribe with 500 Internal Server error

Known Issues:

  • Version 324 build 26 is not supported for use with NEC DSX systems

What's Included?

  • AP20 and ML440 Firmware
  • Installation Instructions PDF

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