Outbound HTTP 1.1 support in Webmethods 7.1.2

Does Webmethods 7.1.2 support Outbound HTTP1.1? If yes, how to configure that in Integration Server?

Webmethods 7.1.2 does support HTTP 1.1, according to webMethods Product Suite 7.1 Release Notes at section “Reverse HTTP Gateway Streaming Support and Advanced HTTP Port Configuration Options”