Methods, systems, and computer program products are disclosed for presenting topical information referenced during a communication. A distributed synchronous transaction system protocol is provided to manage the replication of distributed transactions for client application instances. The WTA server initiates establishment of an audio channel with the origin server. Advantageously, some examples according to the current invention may be applied to input data such as: data, files, bit streams, byte streams, packet streams and previously encoded, compressed andor encrypted data.