Description

Basics

Product information

• DECT handset
• Colour: black
• Anti-bacterial housing
• Ingress protection code IP67 compliant

Placement: indoor, desktop

Dimensions and weight

Dimensions (L x W x D, approx.)

• 167 mm × 59 mm × 32 mm

Weight (approx.)

• Handset|Belt clip|Battery: 222  g

Display and indicators

Display

• TFT liquid crystal display (LCD), highcolour, backlit
• Size (diagonal): 2.4″ (61 mm)
• Resolution: 240 × 320 pixel

9 LED indicators

• Notification of missed calls|Message waiting indication (MWI): 1 red LED
• Function key status indication: 6 dual-colour LEDs (red / green)
• Audio key status indication: 1 red LED
• Charging indication: 1 red LED on the charging cradle

Keypad and function keys

32 hard keys in total

12 keys (standard ITU telephone keypad), backlit

5-way navigation key

3 context-sensitive function keys

6 programmable function keys (with dual-colour LED)

3 dedicated audio keys

• Speakerphone (with red LED)
• Volume + / – (rocker)

3 dedicated function keys

• Offhook, Multicast paging, Alarm

Keyboard lock

Audio devices, codecs and features

Microphone|Casing speaker

• Hearing aid compatible (HAC)

External speaker

• Speakerphone mode

Interfaces and connections

Power options

• Handset
  • Battery 3.7 V, 1,350 mAh, 4.99 W, lithium-ion, rechargeable, up to 180 h standby time, up to 19 h narrowband talk time, up to 12 h wideband talk time
• Charging cradle
  • Power adapter: 100 – 240 V AC / 50 – 60 Hz / 300 mA | 5 V DC / 2 A
  • USB powering via USB-C port/cable

Wired interfaces

• Headset: 3.5 mm miniature audio jack

Wireless interfaces

• Base station: DECT³
• Headset connectivity: Bluetooth

User interfaces and setup

Configuration and setup via menu-driven phone user interface (PUI)

• Languages: English, French, Italian, Spanish, German, Dutch, Greek, Russian

Localization

• Time zone, dial tone

Networking technologies and protocols

Bluetooth

• Headset Profile (HSP)
• Wireless range (approx.): 10 m

Directory support and call features

Directory support

• Local directory with up to 200 entries
• LDAP (server-based directory)¹
• Central directory on the base station with up to 500 shared entries¹
• XML phonebook support¹

Outgoing call features

• Speed dialling
• Redial (via dialed calls list)
• Caller identification (CLIP)
• Intercom¹
• Multicast paging¹

Incoming call features

• Call waiting/swapping
• Auto answer
• Call diversion

Connected call features

• Hold
• Blind call transfer
• Attended call transfer
• 2+1 local conferencing
• Call barging¹
• Call park / unpark¹

Related features

• Call history lists
• Shared Call Emulation²
• Extension monitoring (Busy lamp field), call pickup¹
• Paging zones¹
• Intercom groups¹

DECT technology and features

Standard: DECT³

• Authentication/encryption of base and handset
• Seamless handover
• Wideband audio

Frequency band

• Europe: 1,880 – 1,900 MHz
• Canada & USA: 1,920 – 1,930 MHz

Output power

• Europe: < 250 mW
• Canada & USA: < 100 mW

Coverage

• Up to 50 m indoor range
• Up to 300 m outdoor range

Related features

• Software upgrade over the air (SUOTA)
• Auto registration when not registered
• Date and time synchronization from base station

Environmental conditions

Operating ambient temperature: 0 °C – +40 °C

Package contents

DECT handset M56

Battery

Charging cradle

Power adapter

Snom accessories and compatible devices

Base stations

• EU & UK: M500 (PN 00004628), white
• USA: M500 (PN 00004524), black

Power adapter

• EU: M56 PSU (PN 00004635)
• UK: M56 PSU (PN 00004636)

Multi-charger base (Battery M56)

• MC10 (PN 00004676)