This product is an application for business phone systems provided by Hitachi Information & Telecommunication Engineering Co., Ltd. and Nakayo Co., Ltd., which enables the use of customer information, schedule management, chat functions, etc., to improve work efficiency.■ Features The following services can be used from smartphones and tablets under the business phone system environment. ・Customer information can be registered and managed. ・You can register and manage schedules for each department or group. ・Users can have conversations (chat) by inputting characters and attaching files and images. ・You can easily make a call from your smartphone or paired extension phone by simply tapping the phone number link on the customer information or chat screen. ・By using the presence information function, you can check the users presence status and telephone status. ・Broadcast notifications such as earthquake early warnings can be sent to all users, and safety confirmation and safety status can be aggregated.■ Product name Office Assist (ET-OAAPA)■ Models whose operation has been confirmed For models that have been confirmed to work with this product, please contact the store where you purchased the business phone system or the URL below. https://www.hoshunet.jp/fsc/qa/officeassist/oaap.html■ Notes ・When using this product, a separate business phone system environment that can operate Office Assist® is required. - A root certificate for Office Assist® must be installed before using this product. For details, please contact the store where you purchased the product. ・Please note that we do not respond to inquiries regarding usage outside of the designated environment. ・For inquiries about this product, please contact the store where you purchased the business phone system or the URL below. Support information/software license: https://www.hoshunet.jp/fsc/qa/officeassist/oaap.html ・Before downloading this product, be sure to read the "Application License Agreement" described in the above URL, and only if you agree to this agreement, you can use this product. ・The specifications of this product are subject to change without notice due to improvements, etc. ・"Office Assist®" is a registered trademark of Nakayo Co., Ltd. ・Android and other names are trademarks or registered trademarks of Google LLC. ・Other product and service names are trademarks or registered trademarks of their respective companies.(C) 2017 Hitachi Information & Telecommunication Engineering, Ltd.(C) 2017 NAKAYO, INC.