Zombie invasion? Forest Fire? We get it - things come up.
In order to cancel a call, please go to Me > Calls > (Select Relevant Call) > Cancel.
Do be aware that all the rules of polite society apply here - and it's rude to cancel an already scheduled call without notice. Please reach out to the other party to explain the situation BEFORE you cancel. Also, we advise you to re-schedule a call instead of canceling if at all possible!