IMHO, the next big change is coming. A couple of clips from wifiplanet:
* “Wifi Phones and Dual-mode”:http://www.wi-fiplanet.com/voip/article.php/3287901. Atmel’s AT76C901 is a single chip wifi phone. Several manufacturers, including Cisco (Quote, Chart), have developed handsets using the chip. The Cisco phone, which the networking giant announced in April, is shipping now. The first dual-mode phones are expected to ship next year. Nokia, the world’s largest handset maker, is rumored to have a dual-mode phone in the works that could hit the market in the first quarter of 2004. Rival Motorola plans to offer one next year using a chip from Texas Instruments. In addition, Japanese wireless operator NTT DoCoMo said last week that it will introduce a dual-mode phone in the spring
* “TI TNETW1230”:http://www.wi-fiplanet.com/voip/article.php/3079071. Volume pricing will be under $20. Supports the 802.11a, b and g.
* “Broadcom Wifi trip”:http://www.wi-fiplanet.com/news/article.php/3073961. AirForce One Chip line (model BCM4317 for 802.11b) is literally that — a postage-stamp-sized single chip that incorporates the baseband processor, Medium Access Controller (MAC), the radio, and the power amplifier. The key to wireless power management with a handheld is the power use when the unit is in a sleep or standby model.
* “Hotspots with VOIP”:http://www.wi-fiplanet.com/voip/article.php/3290301. The service is $16.95 (CDN) per month, which includes unlimited worldwide calling to other mobitus users, as well as voicemail with e-mail notification, call display, call waiting and three-way calling.