Yes everyone hated it, but hospital admins forced us to use it. Giant hospital system with a enormous service provider contracts so user happiness and feedback isn't really a factor. The threads of people complaining about Vocera on reddit are pretty entertaining: https://www.reddit.com/r/nursing/comments/1lfavny/the_day_fi...

The most awesome voice system I ever used was the Motorola push to talk walkie talkies we used when I was a medic. Those things were bombproof and never lost signal, never f*cked up, just always worked, batteries last for weeks and were reliable af. Those things were the freaking BEST lol.