What video conferencing application does NOT allow for native changes to automatic gain adjustment?

What video conferencing application does NOT allow for native changes to automatic gain adjustment?

• Skype for Business
• Cisco Webex
• Skype
• Zoom 

 Zoom Video Communications is a company headquartered in San Jose, California that provides remote conferencing services using cloud computing. Zoom offers communications software that combines video conferencing, online meetings, chat, and mobile collaboration.


Cisco Webex is an American company which develops and sells web conferencing and videoconferencing applications. It has its headquarters in Milpitas, California.

Skype for Business is an instant messaging enterprise software used with Skype for Business Server or with Skype for Business Online. On 11 November 2014, Microsoft announced that Skype for Business would replace Lync in 2015.