Introducing the M2, an all-in-one extension handset designed for both IP PBX and mobile voice services. Seamlessly roam between WLAN and LTE networks in VoIP mode. The M2, powered by a quad-core SoC platform, integrates Wi-Fi 2.4/5G, keypad, LCD, codec, SIP stack, and more, ensuring over 7 days of standby time. With Android OS compatibility, it offers exceptional stability and expandability. Easily deploy the M2 via the Vogtec online DIY cloud system or standard auto provisioning. Key features include FoTA updates, TR069 management, a 2.4" color LCD, vibration alert, 3000mAh battery, ENC, SIP video intercom support, and BT4.1 headset compatibility.