Although this niche in the VoIP sector is not generating a great deal of revenue for anyone at the moment, Wi-Fi VoIP has captured the attention of the PDA hardware vendors and we can expect more action in the new year as Cellular providers battle over customers and reach for added value propositions.
As wireless broadband Internet technology matures VoIP providers will be ready to deliver. As it sits today, you can forget about making VoIP calls on your Wi-Fi PDA while driving to work.