NEC warrants for a period of twenty four (24) months, from the invoice date on the authorized NEC Unified Solutions distributor’s invoice, that the DSX products will substantially conform to the applicable specifications for such product published by NEC at the time of sale, and will be free from defects in material and workmanship, under normal use and service when correctly installed and maintained. NEC’s liability for any product which is shown to be defective during its warranty is limited to replacing the product or part thereof with a functionally equivalent product or part, or repairing the product.  NEC shall select which of the above warranty remedies to utilize concerning any particular product. The above warranty excludes coverage for products which were installed, repaired or maintained by an unauthorized service provider or which were subjected to misuse, abuse, improper installation or application, improper maintenance or repair, alteration, accident or negligence in use, improper temperature, humidity or other environmental condition (including, but not limited to, lightning or water damage), storage, transportation, or handling, unless caused by NEC. THE HARDWARE PRODUCTS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING (BUT NOT LIMITED TO) ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, INCLUDING BUT NOT LIMITED TO PREVENTION, DETECTION OR DETERRENCE OF TOLL FRAUD, COMPUTER VIRUSES OR OTHER UNAUTHORIZED OR IMPROPER USE OF THE HARDWARE PRODUCTS.