The Panasonic KX-TPA50 can 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-TPA50 responses to the needs of SIP IP-Centrix/Hosted PBX systems and Asterisk users. Conveniently designed so there is no need to set up 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
Bright message waiting indicator
100 phone book memory
10 Last dialed number
Local or network intercom
DID specific ring tones
10 days stand-by and 5 hours talk time
2 year warranty