# Callsign &(コールサインアンド) > Enhance on-site collaboration through Callsign conversation transcription (text conversion) and text chat. Canonical page: [https://chrome-stats.com/d/jp.csl.callsignand](https://chrome-stats.com/d/jp.csl.callsignand) ## Overview - **ID:** `jp.csl.callsignand` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Sony Business Solutions Corporation - **Category:** COMMUNICATION - **Downloads:** 37 - **Last updated:** 2026-04-30 - **First published:** 2026-04-30 - **Publisher country:** JP - **Data as of:** 2026-09-12 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=jp.csl.callsignand) - **Website:** [https://www.sony.jp/professional/solution/callsign/](https://www.sony.jp/professional/solution/callsign/) - **Privacy policy:** [https://master-staging.callsign-app.com/app-and-privacy-policy/](https://master-staging.callsign-app.com/app-and-privacy-policy/) ## Description "Callsign &" is an optional app designed to be used in conjunction with the smartphone intercom app "Callsign."

It transcribes intercom conversations conducted using "Callsign," allowing you to review them as text.

*Works only when used in combination with "Callsign."

■Main Features
・Transcription of Conversation Content
Sony's proprietary transcription engine recognizes and accurately transcribes (converts to text) intercom conversations conducted using Callsign, allowing you to review the conversation content later.

・Chat-Based Communication
Text chat communication is possible.
It includes a mention function to send messages to specific people within a group, and a filter function to view only messages in which you are mentioned.
File and image sending is also possible.

*Works only when used in combination with "Callsign."

■Product Web Page
https://www.sony.jp/professional/solution/callsign/index.html

■Smartphone Intercom App "Callsign"
‎https://play.google.com/store/search?q=callsign&c=apps&hl=ja

■Various Manuals
https://www.sony.jp/professional/solution/callsign/documents/

■Inquiries
Customers with existing contracts and those considering a contract should contact their service provider.

For information regarding vulnerabilities in this application and service, please contact the vulnerability reporting window "SECURE@SONY": https://secure.sony.net/

■Notes
・While we have confirmed that it works correctly on certain smartphones, we do not guarantee that it will work on your smartphone. Please test it beforehand.
・Data communication charges incurred when downloading and using this application are the responsibility of the customer. ## Rankings - #2,369,590 — Overall ## Similar extensions and apps - [ICOM CONNECT(アイコムコネクト)](https://chrome-stats.com/d/com.voyt.icom.connect) — 317 users - [VOYT CONNECT(ボイットコネクト)](https://chrome-stats.com/d/com.voyt.connect) — 1,093 users - [COE-REC（コエレコ）](https://chrome-stats.com/d/jp.co.stocktech.coerec) — 13 users - [Easy Talk Pro - The chat for d](https://chrome-stats.com/d/com.tost.frederic.easytalk.pro) — 1,401 users, 3.75 / 5 - [Callix : Caller Name Announcer](https://chrome-stats.com/d/com.callerannouncer.callerid.tools.callernameannouncer) — 208,423 users, 4.69 / 5 - [YYProbe](https://chrome-stats.com/d/yyprobe.yysystem.android) — 40,567 users - [iTranscribe - Voice to Text](https://chrome-stats.com/d/com.voice.audio.text.transcribe.converter.free) — 396,631 users, 4.14 / 5 - [SoniCloud](https://chrome-stats.com/d/com.wanshi.ws_soninote) — 2,211 users, 2.67 / 5 - [会話文字起こし](https://chrome-stats.com/d/net.keimag.chat_transcription) — 87 users - [VOITER notes](https://chrome-stats.com/d/com.iflyrec.voiternotes) — 2,238 users - [SYNCO AI](https://chrome-stats.com/d/com.zhiying.audiomic) — 416 users - [Call Recorder & Transcription](https://chrome-stats.com/d/com.torapp.elephone) — 12,844 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/jp.csl.callsignand)