A call is triggered when the room is selected, before which many combinations can be generated (several who and/or what).
Here is a list of call input combinations and fictitious examples:
Who/What/Where
Example: Charlie, bring cam into OP2
Who/Where
Example: Dr. Alpha in OP2
What/Where
Example: Next patient in OP1
Who/several What/Where call
Example: Charlie, bring next patient and cam to OP2 in 5 minutes
Multiple who/what/where calls
Example 1 Group call: DHs, there is work in OP3.
Example 2: Dr Beta and Delta, SOS in OP1
Multiple who/multiple what/where call
Example: Charlie and DH India, Cam in 5min in OP2
