Call Conferencing helps you by connecting to multiple people on call at the same time. You can carry your meetings on with ease irrespective of location barriers or remote working through call conferencing. 


Advanced Call conferencing enables you to authenticate the users who join the call, secure your call with a PIN and many more features like this. To know more on call conferencing, read our article at https://www.kaleyra.com/how-can-you-use-call-conferencing-to-bridge-your-communication-gap/