ET-多機能電話アプリケーション2(ET-MFTAPA2)

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Everyone
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About this app

★★Important Notes When Using Smartphones and Access Points on the 2.4GHz Band★★
The 2.4GHz band is a radio frequency band shared by various devices.
Therefore, communication delays and interruptions may occur due to interference from devices using the same frequency band.
Please investigate your wireless environment in advance and adjust the wireless channel assignment and access point placement before use.

This product is an application that allows you to use various functions on your smartphone, similar to those of a key telephone, in business phone systems provided by Hitachi Information & Communication Engineering Co., Ltd. and Nakayo Co., Ltd.

■Features
The following services are available from your smartphone in a business phone system environment:

・Can be used as an extension telephone for the main unit of the business phone system.

・Can make calls using the phonebook and various history entries registered in the main unit.

・By tapping a phone number link displayed in a browser or external application, you can make a call from this application (via the main unit).

・Can use image-related functions such as video calls and video conferencing using your smartphone's camera.

* Allows you to make and receive calls anywhere using mobile environments (4G/LTE, 5G).

* Basic settings for this application (ET-MFTAPA2) can be configured by scanning the QR code created with the data setting application (ET-DSETAP-Xi).

* Allows you to use the "Anywhere Phone" function using a mobile environment (4G/LTE, 5G) even when your smartphone is connected to Wi-Fi.


■ Product Name
Multifunction Phone Application 2 (ET-MFTAPA2)

■ Compatible Models
For compatible models for this product, please contact the retailer where you purchased your business phone system or refer to the following URL:

https://www.hoshunet.jp/fsc/qa/MFT/mftap2.html

■ Important Notes

* A business phone system environment capable of running the multifunction phone application is required to use this product.

* This application (ET-MFTAPA2) supports push notification functionality for incoming calls.

Please contact your retailer for details.

* Please note that we cannot respond to inquiries regarding use outside of the specified environment.

* This product is used in a wireless IP phone system environment. Depending on your smartphone and network environment, we may not be able to provide the desired sound quality.
Please be aware of this in advance.

* When using Dokodemo Denwa, image-related functions such as video calls and video conferencing using your smartphone's camera are not available.
Please be aware of this in advance.

* For inquiries regarding this product, please contact the retailer from whom you purchased the business phone system or use the URL below.
Support Information/Software License Agreement:

https://www.hoshunet.jp/fsc/qa/MFT/mftap2.html

* Before downloading this product, please be sure to read the "Application License Agreement" listed at the above URL. You may only use this product if you agree to these terms.

* The specifications of this product may be changed without notice due to improvements, etc.

* Names such as Android are trademarks or registered trademarks of Google LLC.

Other product and service names are trademarks or registered trademarks of their respective companies.

(C) 2018 Hitachi Information & Telecommunication Engineering, Ltd.
(C) 2018 NAKAYO,INC.
Is an application for using the same various functions and buttons phone in the smartphone.
Updated on
May 8, 2026

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
    Location, Personal info and 2 others
  • Data isn’t encrypted
  • Data can’t be deleted

What’s new

バージョン 03-05の新機能
・Android15に対応しました。
・フォントサイズの拡大対象に主装置電話帳/履歴画面を追加しました。
Content rating
Everyone
Users Interact
Learn more

App support

About the developer
NAKAYO,INC.
ccu.application@gmail.com
1-3-2, SOJAMACHI MAEBASHI, 群馬県 371-0853 Japan
+81 27-268-6065