If you're phone is actively logged in (i.e. your phone is unlocked and the app is in the foreground), then you should receive in-app notifications for messages. If not, you should receive push notifications after you log out of your desktop client.
If that's not the case, you may have a stale session preventing you from going fully offline. You can view your current chat sesions at https://hipchat.com/account/sessions. From there, you can log out any unwanted sessions.
If the problem continues after that (or if you have troubles logging out), I'd recommend contacting our support team directly by going to https://support.atlassian.com/contact/
...from the beginning. We have built up a lot of content in HipChat, with it being a core tool in our distributed company model. While it is true that we didn’t need to move to Slack immediately, we felt it...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs