Can I make three-way calls on my mobile phone?

If you use vivo mobile phones, all the mobile phones listed after September 2065438+2007 support three-way calls. It is necessary to turn on the three-way call function, and the call is waiting for the operator. The three-way mobile phone, card and network all support VOLTE. Only multi-party calls and teleconferences can be used, and multi-person voice calls can also be realized by software.