Using Cisco phones on Avaya platform??? This topic has 0 replies, 1 voice, and was last updated 8 years, 6 months ago by Maggie. Viewing 1 post (of 1 total) Author Posts 18th March 2015 at 12:49 #69758 MaggieGuest Anyone using Cisco phones on Avaya PBX? We are currently running at 5.2, but I am interested in any successes or failures. Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.