Where can I download the firmware for my phone? Brian Bui August 06, 2018 00:55 Updated Follow Description Where can I download the firmware for my phone? Resolution For Mitel (previously known as AASTRA) phones, go to: http://miteldocs.com/document-library_2.htm?curr_nav=2 Related articles How do I pick up a call that is meant for another phone user? How do external callers reach specific extensions? My phone is in web recovery mode and gives me an IP address How do I get the proper time on my Aastra phone? Comments 0 comments Please sign in to leave a comment.