南宫ng·28(中国)官方入口

    How can I use a SIM card to do video calls?
    To use SIM card video call, you should check the requirements below:
    1) Video call requires network/SIM card support, please contact your SIM operator to make sure you have the video call service.
    2) Make sure called party also support video call and his/her SIM operator is the same as yours
    Video call option will appear during voice call is connecting when above requirements are met.