If you've been thinking of pulling in some VoIP phones but aren't sure what's available, what features are currently in play or what the current price tags are, get a quick look at six phones that support 802.11b/g WiFi standards and use the SIP call-control protocol. Among the list are Cisco's IP Phone 7920, which plays nice with current Cisco environments but is a bit pricey, and iSkoot's free device for a nominal annual service charge. The range of options is wide as are the options and functionality the phones are starting to offer users and enterprises. Article [1]