| As a special service to customers, the Berkshire MR range of handsets can be pre-programmed to make the most of an existing PBX or Centrex system to help generate added value through the programmable features built into the handsets. They can be customised with company logos in addition to the pre-programming.
These phones were manufactured by Ascom in South Wales.
 Berkshire
MR10
Two piece corded telephone with 10 direct memory buttons.
Key features:
- Pulse/tone switchable
- Earth/time break recall selectable
- 10 number memory - 24 digit store
- Last number redial
- Pause
- Mute
- Visual ringing indicator
- Adjustable ringer volume and tone
- Desk/wall mountable
- Optionally available with message waiting indicator
- MR10 User Guide
The MR10 is pictured on the left and MR20 to the right.
Berkshire MR13
Permanent memory telephone
 The MR13 is a basic telephone additional features, normally only available on handsets costing much more. There are 13 EEPROM memories (12 named, plus one additional). These memories can be user programmed – but a factory programming facility is also available. Users can choose the settings for tone and volume of the ring and also the level of speech in the handset, plus there is a visual call indicator. Other attractions of the MR13 include a locking microphone mute with LED indicator, Last Number Redial, Follow-on Call and a Pause Facility.
Berkshire MR20
 As
the MR10 but with 20 direct memories.
Berkshire MR21
On Hook Dialling telephone
 The 20 memories are held in a non-volatile memory chip so there is no danger of loss of stored numbers even when the handset is disconnected. When factory pre-programmed and software locked, services such as Voice Mail, Call Divert and Call Waiting can be easily accessed. Suitable for both Direct Exchange Lines and PBXs, the MR21 offers Last Number Redial in addition to Save Number Redial. There is also a locking mute button enabling internal privacy and discretion when required with an LED indicator to confirm that privacy is active. The On-Hook Dialling feature adds the advantage of handsfree dialling.
Key Features:
- MF dialing
- Earth/Time break recall selectable
- On hook dialing line monitor speaker
- Wide range speaker volume adjustment
- 20 direct access memories
- Permanent memory storage (EEPROM
- Pre-programming service available
- Last number redial
- Saved number redial
- Variable pause period
- Locking mute with LED indicator
- Programmable time break recall
- Programmable pause
- Visual ringing indicator
- 5 variable ringer volumes
- 18 super variable ringer pitches and melo-com
- Single button press handset volume increi.
- Optional wall bracket
- Optional Message Waiting indicator
- Optional hearing aid compatible
Berkshire
MR22
Network Services telephone
 The Berkshire MR22 shares the same features as the MR21 with additions. So users can enjoy services such as Voice Mail, Call Divert, Call Waiting, Last Number Redial, Save Number Redial, Hands Free
Dialing and a locking mute button. Four of the memories built into the MR22, extend its communication capabilities. Simplicity of use is a feature of these memories, as functions are easily accessed via a Press On / Press Off button and LED's provide a reminder when features are active.
Key features:
- MF dialing
- Earth/Time break recall selectable
- On hook dialing line monitor speaker
- Wide range speaker volume adjustment
- 20 direct access memories
- Permanent memory storage (EEPROM)
- Pre-programming service available
- Last number redial
- Saved number redial
- Variable pause period
- 5 variable ringer volumes
- Locking mute with LED indicator
- Programmable time break recall
- Programmable pause
- Visual ringing indicator
- 18 super variable ringer pitches and melodies
- Single button press handset volume increase
- Optional wall bracket
- Optional Message Waiting indicator
- Optional hearing aid compatible
- 4 active feature reminder LEDs
- 4 single press toggle action on/off feature access keys
Berkshire MR23
Full Handsfree telephone
 With a full loudspeaking facility (including a lockable mute control when conversations need to be kept discreet), this Berkshire telephone also features a comprehensive array of advanced communications features. There are 20 EEPROM memories; 10 direct and 10 accessible via the shift button and memory buttons are programmable either at the factory or by the individual user. There is full control over the ringer volume and tone and communication features such as Last Number Redial and Save Number Redial are included.
Berkshire MR30
Headset telephone
 The Berkshire MR30 has 20 memory keys and headset compatibility, making it an excellent choice for receptionists and anyone handling a high volume of call traffic requiring onward routing. The Berkshire MR30 has features that ensure ease of use and flexibility, including the option of the Record / Monitor Connector, which allows connection of suitable recording and/or monitoring equipment to the handset, as well as to the headset.
The twenty memory keys on the Berkshire MR30 can be factory pre-programmed if required, to facilitate quick and easy re-routing of calls to frequently used numbers. The flexible nature of the Berkshire MR30 gives the option of using either the handset or a headset, with calls being easily transferred between the two, using the HS button to turn the headset on and off. When using the headset option, the earphone volume is adjustable via a volume control on the telephone.
The Berkshire MR30 is suitable for use with most leading headsets (contact Ascom for more information).
Key features:
- Compatible with a range of popular headsets
- 20 non-volatile EEPROM memories
- MF dialling
- ELR/TBR selectable
- Locking handset/headset microphone mute with LED
indicator
- st number redial
- Saved number redial store
- Visual ring indicator
- Message waiting indicator
- Handset volume control
- Inductive coupler
- Line monitor LED
- British built
- On-hook dialling
- Ringer volume control
- Ringer pitch control
- REN - 1
Colours: White and Bright White Berkshire
MR41
Caller Display telephone
 Using the latest CLI (Calling Line Identity) technology to display the incoming caller’s name and number (when available), the Berkshire MR41 can also provide one button access to a variety of network operator services. Information on the last 25 calls received will be retained in a Call Register and can be displayed. Return calls can be made directly from the display screen. 20 of the most frequently used numbers can be stored by name and number (once programmed, they are stored securely, even if the phone is disconnected). There is a special Centrex operation feature allowing single press button return calls to be made to those numbers in the call register. Meeting all necessary international regulatory standards, the MR41 is a dual standard handset suitable for all network and cable operators.
- LCD
- Message waiting indicator
- Tone dialling
- Time break recall
- Name and number memory
- 10 direct memories/10 memories via shift
- CLI compatible
- On-hook dialling
- Lockable mute (LED indicator)
- Save button
- Last number redial
- Ringer volume/pitch control
- Single button redial from register
- Handset volume control
- ate/time indicator
- Memory protection
- British built
- ADDITIONAL OPTIONS AVAILABLE
- Message waiting
- Desk/wall bracket available
- Inductive coupler
- RJ45 connection
- Modem point
- REN - 1
Colours: White and Bright White
Berkshire MR51
 Headset compatible business telephone with CLI and hands free facility.
Tone dialling MF Earth/time break recall
- ELR/TBR Hands free speech and on-hook dialling Headset socket 20 name and number memories Calling line identification
- displays number, name if stored in directory, 25 name and number callers log including time and date 'New call logged' indicator lamp Save number redial Mute - locking microphone mute, microphone mute LED Ringer volume control Ringer pitch control Message waiting indicator programmed PABX, PSTN or Centrex feature keys - recall/transfer & divert, ring-back voicemail, do not disturb, transfer to busy and pick-up
Berkshire MR61
 Features as MR51,
but has the following in addition:
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