A headphone having ability to communicate using Internet Protocol (IP) standard. The capability may be used as a basis to facilitate a user to conduct voice calls using voice over IP (VoIP). The headphone may also facilitate voice calls with users connected via cellular networks (e.g., GSM, CDMA, etc.). In an embodiment, the headphone is provided a wireless LAN (WLAN) network interface such that VoIP calls are conducted using wireless medium. Similarly, a Bluetooth protocol type interface is also provided to communicate with a cellular phone and the communication forms the basis for the voice calls between the headphone and other cellular phones connected via the cellular network.