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Discovery 640/645: How to Switch Devices


Discovery 640/645: Switching from one device to another
There is no capacity for replacing one call on hold while answering another. To answer the second call from another device, the first call must be terminated .Terminate the first call by pressing the call control button once.Wait for the beep and then answer the second call by pressing the Call Control Button again.If you choose not to answer the second call and that device has voice mail, the call will go to voice mail.