Phone Features

Up to 2 simultaneous calls per handset

• Handset select for receiving call

• Handset and Number select for making call

• Auto intercom, auto answer

• 3-way conference

• Call forward: Always/Busy/No Answer

• DND

• Call waiting, mute, hold

• Call transfer

• Swap between calls

• Redial

• Speed dial

• Voice mail

• Silence

• Dial plan: Replace Rule/Area Code/Block Out

• Keypad lock, emergency call

• 100 phone book memory (store in the base)

• Remote phonebook, LDAP, XML phonebook

• Phonebook search, block list

• Call history: All/Placed/Missed/Received (up to 100 entries)

• Direct IP call without SIP proxy

• Reset to factory, reboot

• Anonymous call, Anonymous call rejection

• OTA (Over-The-Air) upgrade

Voice Features

• Full-duplex speakerphone

• HD audio

• Hearing Aid Compatibility (HAC)   compliant

• Frequency response: 100 Hz–7 kHz

• FNR (Flexible Noise Reduction)/Noise Cancellation

• Receiver volume control: 5 steps

• Ringer volume control: 5 steps+off

• 9 ringer melodies

• Multiple advisory tones

• Acoustic warning for low battery status

• DTMF

Physical Features

• Handset Size: 157 mm x 51 mm x 24 mm

• Handset Weight: 183 g

• Color: Black

• Battery: 1460 mAh, Lithium-ion, 3.7 V, 5.4 WH

- Up to 40-hour of talk time (in ideal conditions)

- Up to 575-hour of standby time (in ideal conditions)

• Charger: DC 5V/0.6A Output

• Power Adapter:

- Input: 100-240 V-50/60 Hz, 0.2 A

- Output: 5 V, 0.6 A

• Backlit keypad with 25 keys:

- Standard ITU telephone keypad, 12 keys, 4 x

 3, with star and pound key

- 5 navigation keys (left, right, up, down, OK)

- 2 softkeys

- 6 function keys (Speaker, message, Off-hook, Cancel, TRAN, Mute)

- 6 shortcut keys

• Operating humidity: 10% to 95%

• Operating temperature: 0 to 40 °C (+32 to 104 °F)

• Storage temperature: - 30°C to +70°C (- 22-158°F)

DECT

Frequency bands:

1880–1900 MHz (Europe), 1920–1930 MHz (US), 1902 – 1906 MHz (TH), 1910 – 1920 MHz (BR)

• DECT Range:

- Up to 50 meters indoor (in ideal conditions)

- Up to 300 meters outdoor (in ideal conditions)

Package Features

• Package contents:

- W57R Handset

- Charger Cradle

- Rechargeable Battery

- Belt Clip

- Power Adapter

• Giftbox size: 188 mm × 104 mm × 90 mm

• Carton meas: 467 mm × 440 mm × 195 mm

• N.W: 8.848 kg

• G.W: 9.672 kg