The ATS E6501 VoIP phone is cordless and DECT-enabled. It’s SIP compliant, and offers built-in speakerphones. However, the phone currently only works with two providers - IDT and SunRocket.

E6501 features:

* DECT 6.0 communication with a range of more than 650 feet
* Expandable design up to 5 total handsets
* Integrated adapter and router
* SIP compliant VoIP platform
* LCD display
* Page/locator button on base
* Intercom between handsets
* Speakerphone on all handsets
* Headset jack on all handsets
* 60 number phone book
* Auto answer
* 10 hours of talk time
* 10 selectable ring tones
* Hearing aid compatible

Via Engadget.