You will find an IT company has its headquarters in one location.
They may be assigned one project in parts and need to collaborate all the time to bring it to completion in the shortest time.
This is where a superior VoIP PBX solution can help them stay connected at the lowest cost and with most features including voice and video calls as well as document sharing.
IT industries do need to choose a modern IP PBX with WebRTC inclusion if they wish to prioritize collaboration.
This feature makes web conferencing easy, even through mobiles, which most remote based IT workers are likely to use.
The HO can have team discussions with customers and with branch offices in a three way conference, share documents and show progress on screen through screen sharing facility.