Identify the principal and alternate transporting ambulance service(s), by name and DOH agency code #, dispatched to the incidents to which you respond. Provide a copy of the written EMS participation agreement(s) you have executed with these services.
This process starts with the sending TCP software issuing a request for a TCP connection with the receiving machine. In the message is a unique number (called a socket number) that identifies the sending machine's connection.
The HTTP:TCP transport service uses sockets to transfer the data. The client initiates the TCP connection by using sockets on port 80 to the server. Then the server accepts the connection from the client.