Oct 16, 2015 #1 utwo Technical User Sep 14, 2005 72 KZ Hi All, How could I update firmware of Avaya(Nortel) 4027 Dect phones? Any guides for it? Thanks
Oct 16, 2015 #2 gwebster Vendor Jul 1, 2006 2,512 CA https://downloads.avaya.com/css/P8/documents/100120368 Upvote 0 Downvote
Oct 16, 2015 Thread starter #3 utwo Technical User Sep 14, 2005 72 KZ is it possible to upgrade headset without access point? Upvote 0 Downvote
Oct 16, 2015 #4 gwebster Vendor Jul 1, 2006 2,512 CA Read the manual and find your answer. Upvote 0 Downvote