ProVAD & Yealink Support NAS in Upgrading Rapid Response Vehicles ProVAD is honored to be part of a landmark national initiative — NAS | الشبكة الوطنية للطوارئ والسلامة العامة — aimed at strengthening emergency response and public safety operations across Egypt. As ... IP Phones Yealink collaboration solutions Dec 22, 2025 0 80