The first part of an SMS Dialogue provides a brief summary of this contact:
The second part of an SMS Dialogue uses the Contact LookUp to see if this MSISDN has been saved in one or more Contact List. If so, it returns all of the data associated with the MSISDN along with links to the Contact Lists from which they were extracted.
The last part of an SMS Dialogue shows the MSISDN's combined message history in chronological order. Clicking on the delivery state of an MT SMS will take you to its broadcast analysis, whilst clicking on the delivery state of an MO SMS will take you to its action log.