OK, message received (acknowledgment).
Busy, please standby (unless urgent).
Out of service, leaving air.
In service, subject to call.
Transmission completed, standing by.
Talking too quickly.
Visitors (non-CBers) present.
Anything for us? (Any assignment?)
Nothing for you, return to base or station.
Report in person to...
Completed last assignment.
Disregard last message.
I am moving to channel...
Time is up for contact.
Confidential cannot be discussed on radio.
Medical needed at...
Moving to another channel. Tune to channel.
All units within range, report / identify).
Awaiting next message (or assignment).
Proceed with transmission in sequence.
You are causing interference.
Talk closer to microphone.
Your transmission is out of adjustment.
Mission completed, all units secure.
Time out for rest room.
Affirmative / Affirm — Yes.
Break — Pause during a long transmission
Break-Break — Message to follow is priority.
Callsign-Actual/Callsign-Niner — Actual owner of sign - Niner RTO for owner
Come in — You may begin speaking now
Copy — I heard what you just said; ok; all right.
Go ahead or Send traffic — Send your transmission.
Interrogative — A question follows.
Mayday — Maritime/aviation distress call.
Out — I have finished talking to you and do not expect a reply.
Over — Short for "Over to you."
Reading your Five / Loud and clear / Your signal is clear; 5×5.
Ready to Copy — Write down
Repeat — Repeat last fire mission.
Roger — I have received all of the last transmission.
Roger So Far — Confirm you have received and understood the contents of a long transmission.
Say again / repeat; Please repeat your last message.
Standby or Wait, out — Pause for the next transmission.
Wait #, over — I do not have the answer or information to hand, call again once I do.