- 4 SIP accounts
- 3 line display for features and for CID/dialled number
- HD Voice (G.722)
- 500 entry phonebook
- 3-way conference call support
- Panasonic SIP office desk phone- Certified for Asterisk and Broadsoft- 24 feature keys- 3-way conference call- xml Application interface- 500 entry phonebook- 3 line backlit lcd display- Electric hook switch (plantronics)- 2 ether ports poe- Green (low standby power consumption)KXUT133B