Model Number: SP-R53P-#8259 Key Specifications/Special Features: HD voiceUp to 3 sip accounts2.9-inch 132 x 64 graphical LCD with backlightSupports 3-way conferenceSupports PoEFull compatible with asterisk, broad soft platform3 lines (supports 3 sip accounts)

Supports call waiting, call forward, call transfer

Call on hold, mute, auto-answer, redial, ND

Local 3-way conference

Volume adjustable, ring tones selectable

Speed dial, hotline

Daylight saving time

Network packet capture

Country ringtone signal

Direct IP call

Auto-redial, call return

Dial plan

Xml browser

Hot desking

Keypad lock

Action URL/URI

Phonebook (500 groups), blacklist (100 groups), call logs (100 entries)

5 remote phonebook URL supported

LDAP

Multiple languages supported