The Panasonic KX-TPA50can be paired with the either the Panasonic KX-TGP500 or Panasonic KX-TGP550 to allow for up to 6 DECT handsets with each base unit.
Panasonic KX-TPA50 Product Overview
The Panasonic KX-TPA50responses to the needs of SIP IP-Centrix/Hosted PBX systems and Asterisk users. Conveniently designed so there is no need to setup a system telephone at every base. This system also enables you to use a range of convenient services provided by the carrier such as Call Forward, Voice Mail etc. Also, this system can be used as a wireless terminal.
Panasonic KX-TPA50 Features and Specs:
2.1" Large LCD with white back light on cordless handset