The Communication Centre uses the AcuityPoint Computer Aided Dispatch (CAD) System developed by Lynx Graphics which integrates the enhanced 9-1-1 Sentinel telephone system (E911). This gives Communication Operators the advantage of receiving immediate information on the caller such as the caller's location and phone number. This information, along with all other information obtained by the operator is relayed to all EMS vehicles' Electronic Patient Care Reports (E-PCR). The Communication Centre relays all dispatch information electronically to Station computers, the crew's Tough Book computers (E-PCR) in the field and over the air through a Harris P-25 trunked radio network.