http://developers.de/blogs/damir_dobric/archive/2016/02/23/amqp-and-websocket-support-in-azure-iothub.aspxAzure IoT Hubs supports Amqp protocol as default fast transport. But there are few interesting variations, which are not well documented or not obvious. For example, when implementing the device code you can specify explicitly the protocol, which shouldenCommunityServer 2008 SP1 (Build: 30619.63)