The Vonage WiFi phone will connect directly to a wireless network without having to go through your PC. You will require a Vonage account.
Pocket-lint reviews the Vonage Wi-Fi phone, and likes the Vonage service. Overall: “Vonage’s approach of getting you to pay a set fee up-front rather than Skype’s pay as you go solution does […]

PocketPCMag has a mini-preview of the i-mate PDA-N, and notes, “While this unit does not have a built-in mobile phone, it does have Skype VoIP software installed. This allows you to use the device as a phone when there is a Wi-Fi connection available..” Overall, the device “should appeal to a person who doesn’t need […]

EQO Mobile for Skype is now available for the Palm TREO 650, as well as the Motorola ROKR, SLVR and RAZR. The software is currently in beta, and requires you to have your PC running and connected to Skype.
Via EngadgetMobile.
From the news release:
EQO Communications, a leading developer of presence-enabled calling and instant messaging solutions and […]

Clearwire’s VoIP service works with regular telephones or over your PC. Users must be e911 capable, and the service requires an Internet adapter in order to use a regular corded or cordless phone.
Via Engadget.
From the news release:
Less than two years after Clearwire revolutionized the way people access the Internet, Clearwire Corporation today unveiled […]

The EZLoop Wireless VoIP phone allows for simultaneous voice and data support on the same wireless backbone. There’s also an LCD display.
Features:
* SIP (RFC2543/RFC3261)
* Codec: G.711/G.729a
* Battery: 3.6V, 1350mAhr Lithium
* 3.2hr talk time, 21-23 hr standby
* CSMA/CA
* Frequency Range: 2.4-2.497 GHz
* Number of Channels: Up to 14 Channels
* Data Rate: 802.11b Direct Sequence
* Rate […]

Brighthands has a review of the T-Mobile SDA smartphone, and talks about the phone’s WiFi features and VoIP: “The only real application I can think of for the SDA’s Wi-Fi is Voice-over-IP. And to be sure, this is a pretty compelling case. T-Mobile is supposed to be implementing Unlicensed Mobile Access sometime this year, a […]

The IOGEAR USB speaker phone offers DSP voice processing technologies. It will work with Internet telephony applications such as Instant Messenger (AOL, MSN, and Yahoo), or VoIP software like Skype, Vonage or Webex.

Available at Amazon.
Features include:
* Full duplex speaker phone with 110dB peak volume
* Use with IM software (AOL, MSN, Yahoo, etc)
* Use with […]

The Motorola VT2442 Internet Phone Adaptor with Router is a four port router and two line Internet telephone adaptor. It is offered by Vonage.
From the Vonage news releases:
Vonage Marketing, a subsidiary of Vonage Holdings Corp., a leading Internet telephony provider in North America and Motorola Inc. today announced the availability of the Motorola VT2442 Internet […]

Webuser reviews the Actiontec VoSKY Call Center and notes that there aren’t any networking options available. However, the device’s basic operation is straightforward. Overall? “This is a neat little device that brings the PC-based Skype service a step closer to full-on VoIP subscription services like Freetalk and Vonage. However, although you don’t have to shell […]

The Motorola A780 has a version that comes with VoIP SIP support through Edge. Specifications include:
* Quad-band with EDGE technology for enhanced downloading speed
* Dial pad and vivid 240 x 320 TFT color touch screen
* 1.3 megapixel camera with full-screen viewfinder
* MOTOSYNC for secure over-the-air synchronization of corporate email, contacts and calendar
* Video record/playback […]