am 5993e2d0: (-s ours) Merge "DO NOT MERGE. Port "respond via SMS message" feature to new Telecomm. (1/4)" into lmp-preview-dev

* commit '5993e2d0fa5807e6b58ad559ee94befd09b82431':
  DO NOT MERGE. Port "respond via SMS message" feature to new Telecomm. (1/4)