Answer:
Provision of both audio and video
,dedicated support
Explanation:
Free services are not dedicated digital lines so there is no guarantee of high-quality sound or a reliable connection during the call. Some common issues are background noises, crackling, echoes, distortion, quietness and drop-outs.Free services also don't offer dedicated support so if anything goes wrong there's nobody available to help you. Any of these problems can ruin the productivity and flow of your meeting.
I think you broke the SIM out of the big SIM card that was attached to it because some phones need that to fit or maybe your inserting it upside down.
Answer:
calls, messages, photos, emails
Explanation:
as in mobile phones
A or B cuz you need one of the two to have WiFi cuz my computer asks if i have an adapter and then SSID
