Sending HL7 Message from ISH system to External System

Hello Friends,

I am trying do configure our SAP ISH system to send HL7 messages to External 3rd party system. I did my research on SAP HCM module.

I am trying to send HL7 message using SAP XI system. Any help on what version of XI is required and SAP ISH is required would be great help to me. If there is any help document on setup required would also be great help to me.

Thanks for the help.