If you access the mobile version of the Emerson Exchange 365 community on an iPhone or iPad and have trouble logging in, make sure to check the settings on your Safari browser. Under Settings - Safari, Privacy - Accept Cookies, it should be configured to Always or From Visited.
For more information, here's a link to the supplier documentation on the use of the mobile web application.
Thanks for the post Jim - I used "From Visited" and it worked. Now I'm armed and dangerous from anywhere!