1. A system for message-based call communication, comprising: a telephony interface to receive speech utterances from a caller during a call with an agent; a speech recognizer to transcribe each of the speech utterances into a text message and to provide the text messages to the agent; a text-to-speech engine to receive from the agent one or more written responses in reply to each speech utterance from the caller and to convert the written responses to synthesized speech for providing to the caller; a speech processor to process the speech utterances from the caller and the synthesized speech from the agent and to identify one or more characteristics of the caller and the agent; a determination module to determine a role for each of the caller and the agent based on the identified characteristics; and a display to display the text messages from the caller and the written responses from the agent, wherein the display provides text messages from another caller during another call and written responses from the agent in response to the text messages from the other caller.
1. A system for message-based call communication, comprising: a telephony interface to receive speech utterances from a caller during a call with an agent; a speech recognizer to transcribe each of the speech utterances into a text message and to provide the text messages to the agent; a text-to-speech engine to receive from the agent one or more written responses in reply to each speech utterance from the caller and to convert the written responses to synthesized speech for providing to the caller; a speech processor to process the speech utterances from the caller and the synthesized speech from the agent and to identify one or more characteristics of the caller and the agent; a determination module to determine a role for each of the caller and the agent based on the identified characteristics; and a display to display the text messages from the caller and the written responses from the agent, wherein the display provides text messages from another caller during another call and written responses from the agent in response to the text messages from the other caller. 3. A system according to claim 1 , wherein the written responses each comprise one or more of pre-formed responses selected by the agent or responses typed by the agent.