Unfortunately, HipChat doesn't support custom status icons. Your best option is to use status messages along with the existing status icons to add detail to a user's presence (e.g. Setting available/green presence with a message of "WFH" or "At home office").
FYI - as a quick shortcut, presence can be set from the message input by using slash commands like /here, /away, /dnd
Plugins (i.e. addons / integrations) don't support modifying status icons as one of their points of interface. You can see a list of interface points at https://developer.atlassian.com/hipchat/getting-started
...have mention name FirstnameLastname. Fe.: @MaartenCautreels This certainly helps to know who is being mentioned in a conversation. Imagine your colleague sends the following message...
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
We're bringing product updates and pro tips on teamwork to ten cities around the world.Save your spot