Vogtec M2+ WiFi & LTE SIP Phone, RTSP video stream

M2 supporting roaming among AP-AP-LTE, and switching/call handover less than 5 seconds; while switch on LTE via LCD menu:

• -phone will connect stored wifi AP with higher priority, and roaming between all possible wifi APs.
• -while no wifi connectivity, it will go to LTE link temp.; and return back wifi automatically while stored wifi return.