HL7Spy has the ability to send HL7 messages to external systems using the HL7 Standard protocol known as the Minimum Lower Layer Protocol (MLLP). The MLLP protocol assumes there are two participants in the communication, a sender and a receiver. HL7Spy can act as either a sender or a receiver. In section “Error: Reference source not found” on page Error: Reference source not found, there There is a demonstration of HL7Spy acting as both by sending messages from 1 message tab (the Sender), to another message tab (the Receiver). If you have not already followed this tutorial, we recommend you do so now. It will give you a better feel for what is involved. To active activate the “Send HL7” window, use the “Tools/Send Messages (MLLP)” option in the main menu, or click on the “Send HL7” button in the Message Editor's toolbarthe Toolbar. Doing so will cause the “Send HL7” window to be displayed to the right of the current Message Editor as shown in the figure below.
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- Message Framing - Message Framing defines how the HL7 Messages are encapsulated as they are sent out. The standard protocol is to prepend the message with 0x0B and to append 0x1C0x0D to the end of the message. Setting Message Framing is an advance topic and is covered in section “Message Framing” on page 35. See Message Framing for more detail.
- Encoding - Allows you to configure the character encoding that the HL7 receiver is expecting.