I am having issues getting Skype of Business to open on iOS with my internal lync 2013 setup. A few years ago I was able to install the cert from the lync server onto an iOS device but this no longer seems to be working.
When I attempt to sign in I get the message "We can't connect to the server. Check your network connection, advanced options and try again."
I have had a user try this on android and it downloads and installs the cert and works without issue. This is only happening on iOS it seems.
I am only trying to get this to work on my internal network, external access will be down the road. Any help with this would be great!