Absolutely!. You can conference in two different types of calls using the Savi W740, i.e. you can conference in a Bluetooth conversation to a phone conversation using your headset You can combine the audio of any two devices by simultaneously holding the base buttons of any two of the three mode buttons at the top of the base until the LEDs become solid green. Example : You’re on a Bluetooth call, but you want to conference in someone using your desk phone. -Tap the Phone Mode button on the base, this will put the Bluetooth call on standby (red light flashing) and open a line for a phone call (green light) -Once you’ve dialed out and connected to the person you want to reach on the desk phone, press and hold down on both the Phone and the Bluetooth Mode buttons on the base -Both mode lights will be solid green, and you’ve successfully conferenced the two calls together