Ohio Revised Code Title I. State Government § 128.21

(B)(1) The statewide next generation 9-1-1 core services system shall be capable of providing 9-1-1 core services for all of the territory of all the counties within this state, over both land and water.  The system shall route all 9-1-1 traffic using location and policy-based routing to legacy enhanced 9-1-1 public safety answering points, next generation 9-1-1 public safety answering points, and local next generation 9-1-1 systems.  The system shall be designed to provide access to emergency services from all connected communications sources and provide multimedia data capabilities for public safety answering points and other emergency service organizations.

(2) The emergency services internet protocol network that supports the statewide next generation 9-1-1 core services system shall be capable of being shared by all public safety agencies.  It may be constructed from a mix of dedicated and shared facilities.  It may be interconnected at local, regional, state, federal, national, and international levels to form an internet-protocol-based inter-network, or network of networks.