50K+
Downloads
Content rating
Everyone
Screenshot image
Screenshot image

About this app

[Overview]
Smart PBX is an IP phone service that you can use on your smartphone. It is a mobile device service that is provided as a major additional function of mobile communication services such as "OCN Mobile ONE for Business" and dedicated line services such as "Arcstar Universal One" provided by NTT Docomo Business for businesses.

By using this app, users of communication services provided by NTT Docomo Business such as "OCN Mobile ONE for Business" can make calls at low cost, and can also use the basic IP phone service functions of "management of call history" and "switching between the default phone and this app depending on the purpose".

By using this service, you can make calls using extension numbers not only within the base, but also between bases and when you are out. In addition, customers can change the settings of extension numbers, representative groups, forwarding, answering machines, etc. by themselves, and it is a one-stop service that allows you to use PBX functions.

[Official website here]
https://www.ntt.com/business/services/voice-video/voip/smartpbx.html
OCN Mobile ONE for Business
https://www.ntt.com/business/services/network/internet-connect/ocn-business/mobile/mobileone.html
Arcstar Universal One
https://www.ntt.com/business/services/network/vpn/vpn.html
[Notes]
Since "Smart PBX" is a service for businesses, you must apply through an NTT Docomo Business sales representative to use it.

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●Please check the terms of use for the Smart PBX application license
(https://www.ntt.com/content/dam/nttcom/hq/jp/about-us/disclosure/tariff/pdf/c169.pdf).
Updated on
21 Aug 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info, Audio and 4 others
Data is encrypted in transit

What's new

・軽微な修正を行いました。
(2025/8/27)

・軽微な修正を行いました。
(2025/6/25)

・Android15に対応しました。
・軽微な修正を行いました。
(2025/5/21)

・一部不具合を修正しました。
・軽微な修正を行いました。
(2025/3/25)

・通話中の各種機能ボタンの位置を変更しました。
・電話帳画面に検索バーを追加しました。
・一部不具合を修正しました。
・軽微な修正を行いました。
(2025/1/15)

・連携可能な電話帳サービスに「moconavi」を追加しました。
・軽微な修正を行いました。
(2024/6/24)

・Android14に対応しました。
・接続状態ポップアップ表示機能を追加しました。
(2024/3/28)

・通話中画面の操作メニュー表示を変更しました。
・軽微な修正を行いました。
・一部不具合を修正しました。
(2024/2/27)

・Android14環境で確認された一部の問題に対応しました。
(2023/9/27)

App support

Phone number
+81120565054
About the developer
NTT DOCOMO BUSINESS, INC.
smartdevice-app@ntt.com
2-3-1, OTEMACHI OTEMACHI PLACE WEST TOWER CHIYODA-KU, 東京都 100-0004 Japan
+81 3-6700-3000

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