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M500 Pro Series

M55 Handset

The M55 handset is one of two devices that pair to the M500 Pro DECT Multicell Base Station. This family of devices has Wireless DECT technology, providing better reliability and security than WIFI. The M55 is wireless and allows you the freedom to roam freely within your space without being tied down to one location.

The handset has 2.4” (240 x 320) color LCD display and 6 backlit dual-color LED programmable keys. The dialpad is also backlit, enhancing the user experience. There is a shared directory that houses up to 500 entries and a private directory that hold up to 200 entries. Like the M58, the handset also has built-in Bluetooth® connectivity, with audio quality fine-tuned for maximum voice clarity and background noise reduction. Move around the office or warehouse without loosing connection and background sound interference. You can use the built-in belt clip to carry your M55 hands free. The dimensions of the slim handheld are approximately 188mm x 55mm x 35mm with the belt clip. The long-lasting battery allows for up to 19-hours of talk time and the battery standby time when phone is not in use is upwards of 240 hours. Freely use your phone without continuous charging throughout the day.

The paging feature can be activated with one button on the side of the handset. It can be used to send an intercom message to all team members that have the M55 and M58. Team members can easily respond to your page using the paging function or calling your direct line. All shared calls are visible and can be managed on all devices. This assists in ensuring all client calls are handled.

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Phone Functions with Compatible Base Stations

Programmable Keys

  • Line key
  • KeyLine1
  • Speed dial
  • Busy phone monitoring2
  • Paging zones
  • Directory
  • Additional functions in current and future software

Shared Calls

  • All shared calls are visible and can be managed on all devices (up to 16)
  • Phones are not limited to only 2 calls like traditional DECT devices

Other Features

  • Barge-in
  • Shared directory with up to 500 entries
  • Shared central directories: LDAP, remote XML
  • Private directory with up to 200 entries
  • Caller identification (CLIP)
  • Redial
  • Call waiting
  • Auto-answer (SIP and cradle pickup)
  • Call lists (all calls, missed, received, dial calls)
  • Hold (private or shared)
  • Blind and attended transfer
  • Call forwarding
  • 3-way conference
  • Missed call notification
  • MWI - Voice message waiting indicator

Range

Indoors

  • up to 50 meters

Outdoors

  • up to 300 meters

User Interface

Display

  • 2.4" diagonal
  • Resolution 240 x 320 pixels

Other Features

  • Backlit dialpad
  • 6 backlit dual color LED programmable keys
  • 3 context-sensitive function keys
  • 5-way navigation
  • Speakerphone key with red LED when speakerphone is on
  • Volume up/down on the side
  • Page key on the side
  • 1 red LED at the top for missed calls or new voice messages

DECT

Frequency Bands

  • EU: 1880 - 1900 MHz
  • US: 1920 - 1930 MHz

Output Power

  • EU < 250mW
  • US < 100 mW

Protocols

  • DECT 6.0

Other Features

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

Handset

Weight Approximately

  • 188g (Handset with battery + belt clip)

Dimensions: Approximately

  • 188mm x 55mm x 35mm with belt clip
  • Connector: 3.5mm wired headset jack
  • Hearing-aid compatible (HAC)
  • Bluetooth for headset connection

Battery

  • Type: Lithium-ion, 1500mAh, 3.7V, 5.55Wh
  • Talk Time WB: Up to 12 hours
  • Talk Time NB: Up to 19 hours
  • Standby Time: Approximately 240 hours

Charger

Input

  • Fixed USB type A cable

Charging Indicator

  • Red LED - light is on when handset is charging in cradle

Power Adapter

Input Power

  • 100-240 AC Volt, 50/60Hz, 300mA

Output Power

  • 5V 2A

Plug

  • US type with USB type A output

Product Number

  • 00004526

Compatible Base Station

  • Snom M500 SIP DECT Multicell Base Station: 00004525 (US)

  1. Refers to programmable key type that allows calls to be visible and accessible on different phones via key press. This is comparable to old key system operation.
  2. Refers to programmable key type that allows indication if a phone is busy in a call. This is comparable to SIP BLF operation.