What is Video calls softwares according to Networks?

Video calls softwares.

Here
Many software
Which make audio and video calls in all world .
Some softwares are not supported 2G networks
Support with 3G 4G or WiFi.
But
Some softwares are supported 2G networks and also supported 3G 4G or WiFi networks.
Here biggest social website Facebook in his app
I mean to say that
Facebook ki application Aur sath maa Facebook messenger both are made video calls in all around the world including Pakistan .
Facebook messenger video calls support on 2G networks and also support 3G and 4G.
Video is not good standard but low standard .
You need 1 Facebook I'd that you sign up from here.
Here is many other apps or sites that support 2G networks
IMO
imo
Also support on 2G networks video call
Here you download app and verify your number
enables you to make a video calls or audio calls
SKYPE is mostly not supported on 2G networks video calls but his resolution is best I thing.
LINE
Line is too mostly not supported 2G networks but some time supported his resolution best.
Tango is video calls software that make video calls .
You can download all apps through Google play store .
Google play store is best market for android or IOS.
if you have any question comment below.