Intercom Communications (UK) Ltd
Zenitel Channel Partner
+44 (0)1638 660 629

Wall Substation with 3 Direct Dial Buttons – AB709

Wall Substation with 3 Direct Dial Buttons - AB709

Discontinued Pro700 Intercom System

We are sorry the Pro700 Intercom System is no longer manufactured, a small range of spares are available while stocks last.

If you have a station which needs repair we can still make repairs as long as we can get the parts.

Please visit our "Intercom Products Range" page to find an alternative.


“The AB709 Wall Substation with 3 Direct Dial Buttons is a substation for wall mounting with 3 call buttons plus one cancelling button, “X”
for use with Pro700 system
  • Processor controlled substation
  • Three call button and one cancelling button “X”
  • Built-in loudspeaker and microphone
  • No exchange is required
  • Stations are wired in parallel or Loop
  • Duplex speech
  • Can be surface mounted on the wall
  • Flush mounted using snap-on frame BF636
  • Easily programmable by internal switches


Wall Substation with 3 Direct Dial Buttons – AB709 Description

The Wall Substation with 3 Direct Dial Buttons AB709 is a substation for wall mounting with 3 call buttons plus one cancelling button, “X”. The buttons can easily
be programmed to offer a number of different call functions.
Direct call alternatives to the following numbers are available, starting from the top button and down:
Alt. 1: 11, 12 and 13
Alt. 2: 11, 12 and “Emergency Call”
Alt. 3: 21 (X + 11), Program Distribution (X + 12) and 23 (X + 13)
Alt. 4: 21 (X + 11), Program Distribution (X + 12) and “Emergency Call”
Alt: 5: 13, 16 and 19
Alt. 6: 23, 26 and 29
Alt. 7: 33, 36 and 39
Alt. 8: 43, 46 and 49
The conversation can be cancelled by pressing the “X” button, or can be limited to 30 seconds via switch programming, if nobody is answering the call.
The call will then be automatically disconnected after 30 seconds
The station can receive incoming calls from all the stations in the system. The AA708 consists of a processor and software and shall not be connected to an exchange. All programming is performed via switches inside the station, by following an easy instruction.
The cable layout is very flexible. All stations are wired in parallel in a star or bus configuration. Minimum 2 pairs twisted cable are required, 1 pair for conversation and display data, one pair for DC supply voltage.
An optional 3rd pair can be installed for program distribution (radio).
An external 20 ohms horn loudspeaker can be connected if a higher volume is required.



See Datasheet



AB709 3 Button Wall Station


Pro700 Intercom System

The Pro700 Intercom System is no longer manufactured, a small range of spares are available, if you have a station which needs repair we can still make repairs as long as we can get the parts.

The Pro700 Intercom System has been replaced by the IP Pulse and AlphaCom Systems.



Here at RingUK we have a considered approach to Specifying Intercom Systems, based on methodically detailing every aspect of each client’s needs. It is then and only then that we are accurately able to design an intercom system that fulfills the exact specifications of the client.

Over the years Specifying Intercom Systems this exacting approach has enabled us to develop a solid aggregate understanding of each sector whose intercom requirements we deal with. In drawing upon this we are able to quickly develop a blueprint that we then tailor to the specifics of each client’s brief. The efficacy of this procedure means we are very rarely unable to overcome unforeseen problems – if ever.

You cannot buy experience, and it’s our experience in Specifying Intercom Systems that makes us great at adapting and thinking laterally to devise the best intercom solution for our clients. This often means taking a standard intercom system and integrating it with specialized design features to create a setup that is equal in its uniqueness to the exacting needs of the client.

This is all part of an overall standard of service that we feel is unavailable elsewhere within our industry. We place a premium on total customer satisfaction, which is why we are always looking to extend and improve our product range, and to maximize value. Our position within the industry in terms of our size, reputation and our relationship with suppliers means we are able to cut costs without cutting corners.

With many years of experience in the broadcast and communications industry, RingUK have built  up an impressive portfolio of products and knowledge from leading  manufacturers.

Distributor, Partner & Resellers For:

RingUK specialises in assisting buyers, specifiers and end-users in the process of recommending and purchasing specialist communications equipment for various commercial applications including:


Our specialist communications advice team has over 25 years of experience, specifying and commissioning communications systems that meet the objectives of our clients. Our service centres on enabling our clients with the information necessary to make an informed decision when investing in suitable communications equipment.

For more information

    Contact intercom specialists Ring UK today for professional advice about which system you should go for. We will assess your requirements and research and explain all the options available to you to help you or your client choose a perfect Intercom system that meets your needs.

Contact us via our Intercom Enquiry Form


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