AtelClassicモバイルアプリは、スマートフォンで3G / 4G /無線LAN上のSIPベースの通話を可能にします。
AtelClassic state-of-the-art mobile application allow SIP based calls to be used on 3G/4G/WiFi on smartphones. One unique point with our solution is its crystal quality. Even when the internet bandwidth is low, our solution is built in such a way that call quality is not affected.