| Questions | Answers |
| MPDS ? | Medical Priority Dispatch System (Flip chart used by EMD's to assess the patients medical needs) |
| Red ? | Emergency Patient on board. |
| RTS ? | Request to Speak |
| Purple Plus ? | Obviously Deceased Patient. |
| ETA ? | Estimated Time of Arrival. |
| Red Base Out ? | End of Message. |
| Zebra Zebra ? | URGENT Police Assistance. |
| CAD ? | Computer Aided Dispatch. |
| Green Base ? | Callsign for UOC. |
| White ? | Empty - Mobile Non-Urgent |
| UOC ? | Urgent Operations Centre. |
| Phonetic Alphabet S,T,U,V,W,X,Y,Z ? | Sierra, Tango, Uniform, Victor, Whiskey, Xray, Yankee, Zulu. |
| FRU ? | Fast Responce Unit ? |
| Priority ? | Urgent Message to be Passed. |
| ASW ? | Appoved Social Worker. |
| RVP ? | Rendezvous Point. |
| Echo Delta ? | Explosive Device. |
| Blue ? | Acute Emergency on board. |
| Roger ? | Message Recived & Understood. |
| VCS ? | Vehicle Crew Staff. |
| Red Base ? | Callsign for EOC. |
| Purple Annex ? | Mortuary. |
| Figures ? | Figures to Follow. |
| STA ? | Scheduled Time of Arrival. |
| EOC ? | Emergency Operations Centre. |
| Hotel ? | Parmedic. |
| HEMS ? | Helicopter Emergency Medical Service. |
| Over ? | End of Message - Responce Expected. |
| Phonetic Alphabet A,B,C,D,E,FG,H,I ? | Alpha, Bravo, Charlie, Delta, Echo, Foxtrot, Golf, Hotel, India. |
| RTB ? | Return to Base. |
| AS1 ? | Emergency Call. |
| AS2 ? | Urgent Call (within 1-3 hours) |
| PTS ? | Patient Transport Service. |
| Green ? | Available. |
| 99 ? | Unoffical Break. |
| VOR ? | Vehicle Of Road. |
| AS3 ? | Non Urgent Call (3 hours plus) |
| Alpha Alpha ? | Be Guarded in Reply, Patient may over hear. |
| Bravo ? | Bank Service Run. |
| TNC ? | To Next Call. |
| Lima ? | Team Leader. |
| Phonetic Alphabet J,K,L,M,N,O,P,Q,R ? | Juliet, Kilo, Lima, Mike, November, Oscar, Papa, Quebec, Romeo. |
| Brown ? | Non-Urgent Patient on board. |
| Purple ? | Suspected Deceased Patient. |
