Some agencies have even adopted 100% plain talk policies for all of their internal radio communication. Using plain talk simply means suspending the use of localized police radio codes during interagency emergencies and adhering to more universally recognized, concise and descriptive plain language while using the radio. For this reason, many agencies have adopted plain talk radio communication. This jurisdictional incongruity is a major safety concern for the public as well as for responding to law enforcement and other emergency personnel. This is especially problematic when responding to large-scale emergencies involving numerous agencies. This lack of uniformity across jurisdictional boundaries has created confusion among police and other law enforcement agencies conducting joint operations. However, police radio codes differ greatly throughout various jurisdictions and regions. These codes are meant to assist emergency personnel such as law enforcement, by providing uniformity and precision in communication. Likewise, police officers will transmit these coded messages back to dispatch or when communicating with fellow officers. The codes are typically transmitted from a dispatching center or dispatch (a central communications center) to officers in the field. Police signal codes and 10 codes are a system of numbers used together that represent specific activities or conditions and are usually transmitted by voice over the radio or used in mobile computer systems.

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