NTT East Corporation (hereinafter, NTT East) is launching "Hikari Cloud Phone for Zoom Phone" (hereinafter, this service) on July 1, 2026 (Wed). This service expands the connectivity of "Hikari Cloud Phone," which has been offered since April 2021, by connecting it with Zoom's cloud phone service, "Zoom Phone." This initiative is driven by the growing demand for cloud-based corporate voice communication and integrated work environments utilizing web conferencing, chat, and phone calls, aiming to promote business transformation through the fusion of communication and applications. This service enables companies already using Zoom Meetings and other Zoom services for business to cloudify their phone systems, incorporating inbound and outbound calls using standard fixed-line phone numbers (0AB-J numbers), while leveraging their current communication environment. By expanding the lineup of "Hikari Cloud Phone," which connects phone and network infrastructure with cloud communication services, NTT East will support companies with multiple locations, local governments, and customers considering replacing aging PBX and business phone systems by improving the efficiency of their phone operations, reducing operational burdens, and enabling flexible work styles. *1 "Zoom Phone" is a registered trademark or trademark of Zoom Communications, Inc. (hereinafter Zoom) or its affiliates in certain countries. "Zoom Phone" is the name of the service provided by Zoom. "Zoom Phone" may be subject to change. For the latest information, please check Zoom's website. Zoom Website: https://www.zoom.com/ja/about/ 1. Background and Objectives of the Service With the diversification of work styles, there is a growing need for services that link web conferencing and phone calls, allowing seamless external calls from PCs and smartphones. NTT East will leverage its cultivated phone and network infrastructure and its track record of connecting "Hikari Cloud Phone" to support the cloudification of