Only the current version so far — new entries appear as the app ships updates.
Callsign &(コールサインアンド) is a communication app by Sony Business Solutions Corporation with 10+ downloads (about 43 estimated). +1 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “Enhance on-site collaboration through Callsign conversation transcription (text conversion) and text chat.”
