An example method of integrating a plurality of heterogeneous peer-to-peer communication participants includes retrieving from a first input queue coupled to a duplex service a first message. The first message includes a message identifier and is from a sender. The method also includes applying a first operation on the first message, determining a first output of the first message based on the first operation, and sending the first output of the first message to a target. The method further includes retrieving from a second input queue coupled to the duplex service a second message. The second message includes the message identifier and is from a target. The method also includes applying a second operation on the second message, determining a second output of the second message based on the second operation, and sending the second output of the second message to the sender.