Are you using Partner ACS release 3.0 or higher. If so, go to extension 10 or 11 and press Feature 00. Then press the Left Intercom button twice. This will take you into system programming. From there press #101 and enter MM/DD/YY. I also have included a PDF link for the Partner system. https://downloads.avaya.com/elmodocs2/partneracs_r4/456804_2.pdf
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Are you using Partner ACS release 3.0 or higher. If so, go to extension 10 or 11 and press Feature 00. Then press the Left Intercom button twice. This will take you into system programming. From there press #101 and enter MM/DD/YY. I also have included a PDF link for the Partner system. https://downloads.avaya.com/elmodocs2/partneracs_r4/456804_2.pdf