I had the same problem and so I created a website to make it easy for you to talk with your colleague. The idea is that you can see who is around and just jump

I had the same problem and so I created a website to make it easy for you to talk with your colleague. The idea is that you can see who is around and just jump into a conversation without calling. If you are interested you can look at it at https://www.inoffice.chat https://www.inoffice.chat