HP introduced first smartphone ipaq pocket pc that looks like a regular cell phone and has voip capability.
iPAQ presently refers to a Pocket PC or personal digital assistant first unveiled by Compaq in April 2000, but the name was borrowed from Compaq's earlier iPAQ desktop personal computers. Since Hewlett-Packard acquisition of Compaq, HP has marketed the product. Besides this, there are several distributions of Linux, which also operate in some of these devices.
iPAQ add functionality such as a card reader, wireless networking, GPS and even extra batteries were used. IPAQ jacket compatible with older model, which can have 1 compact flash, 1 pc card or 2 pc card slots.
The device is Palm's biggest competition, but offers more multimedia features with a Microsoft Windows interface.