One of our favourite features in fmSMS is the Chat View which we (Databuzz) introduced back in July 2015.
This shows you the sent and received messages for an individual Contact in a much more graphical interface compared to a traditional FileMaker view using portals.
The Chat View is similar to how iChat/Messages works on the Mac and iOS platforms - the messages are displayed in a threaded view so you can see them as a conversation and quickly type a message using the defaults without having to leave the Chat View screen.
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