The main focus of San Diego PD using cop is problem solving, officers still respond to emergency but non emergency calls to police are better handled by other organizations.
Officers who know both a community's problems and its residents can link people with other public and private agencies that can help solve community concerns.
Some examples from San Diego PD The Neighborhood Watch program consisting on community coordinators, watch coordinators and block captains all working toward a common goal.
In conclusion, community policing has had an effective impact on crime and helps interconnect police with citizens, San Diego has used this method effectively and it shows.