The Calisto Pro is a handset-base station duo with a matching Bluetooth mini-headset. It offers the following other features:
* connects both to PSTN landline and broadband IP connection
* Bluetooth provides hands-free connectivity over range of 100 m
* base station has a charging spot for both handset and headset
* built-in speakerphone
* caller log feature, transfer […]

The RTX DualPhone 3081, is a SIP-enabled phone that doesn’t need a PC. It offers the following features:
* can make regular PSTN (landline) telephone calls
* up to eight DualPhone 3081 units can be attached
* up to three users can make SIP-based calls and one PSTN call simultaneously
* built-inPBX functionality
Source.

CNET reviews the Linksys iPhone Dual-Mode Internet Telephony Kit for Skype and they say, “Aside from its fairly basic design (some folks might think that’s a bad thing), the biggest strike against the CIT400 is that Linksys doesn’t sell any extra handsets at this time, so you can’t expand the system beyond a single […]

Ars Technica has a review of the Linksys iPhone CIT400 and they say, “The Linksys CIT400 is the best cordless Skype phone I’ve had a chance to review. It’s versatile, it’s simple, and it works. It’s versatile in that it doesn’t require a computer to run Skype, and by eliminating your PC from the equation, […]

PC Plus has a review of the Pirelli Discus DualPhone DP L10 and they say, “The call quality is reasonable, but as with every other VoIP systems it suffers from degradation when networks are busy, and a slight delay as your speech reaches your recipient. Even so, for a dual mode handset, the price of […]

The RTX DUALphone 3058 is a cordless internet USB/land line phone with Skype, and offers the following features:
* hands-free speakerphone
* color display
* wideband audio for superior Skype sound quality
* internet communications via Skype
* land line communication via Public Switched Telephone Network
* support for Windows Vista
Source.

LAPTOP Magazine has a review of the Linksys iPhone Dual-Mode Internet Telephony Kit for Skype-CIT400 and writes, “Call quality was a mixed bag. Some Skype calls worked and sounded fine from start to finish, but others would periodically drop into periods of silence (lasting several seconds each). One call disconnected entirely. On the other hand, […]

The Phreedom is a dual-mode VoIP / GSM and offers the following features:
* 802.11b/g
* 312MHz CPU
* 320MB memory
* push and pull mail
* 2200 mAh battery
* VoIP with seamless handover to GSM
Source.

NETGEAR SPH-200D Press Release
NETGEAR, Inc., a worldwide provider of technologically advanced, branded networking products, today announced the launch of the company’s first dual-mode DECT cordless phone to support both landline phone calls and Skype(TM) Internet calls. The NETGEAR Dual-Mode Cordless Phone with Skype (SPH200D) includes a handset and a base station which simultaneously connects to […]

The Airwise SkyAir DT 190204 is a dual mode phone, capable of handling regular landline calls as well as Skype. Features include incoming caller display, phone book dialing, a 1.4-inch color display, and cordless operation.
Via Engadget.