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3-4. Using the audio system
3
Interior features
■ Call waiting
● If your phone does not support HFP Ver. 1.5, this function cannot be used.
● Call waiting operation may differ depending on your mobile phone and service
provider.
■ Call history
Up to 5 numbers can be stored in each of the outgoing and incoming call history
memories.
■ When talking on the phone
● Do not talk at the same time as the other party.
● Keep the volume of the incoming voice down. Otherwise, voice echo will
increase.