Digital Telephone Voice Recording Interfaces
Analogue Audio/Telephone Recording Interfaces
Covert Audio/Video Security System
Audio System / Dealer Board Interface Analogue Telephone Signalling Converters

Welcome to ACL Digital
The Provider of VOIP, Digital and Analogue Telephone & Audio Recording Solutions.

The company started from a small office in Highgate designing and manufacturing medical lasers, recording mixer desks and dealer board speakers.

ACL was the first company to develop the openline speaker system for the (Astley & Piers) broker trading floor. We used the recording mixer technology and developed the first telephone handset recording interface in the early 80s. ACL is also the first company to develop a GEN-GEN to LOOP GEN (FIG2 to FIG6) signalling converter.
 
As the technology progressed into digital technology we had to progress too. We have developed a recording solution for over 30 Digital telephone systems, ISDN30 (E1- PRI), ISDNII (BRI) and VOIP.

We have also developed a high quality microphone for covert and overt recordings of casino tables, meeting and conference rooms and medical consultation rooms. We can also design and build products to your specifications and requirements.

We are a company that has and is able to solve a lot of our customers¡¯ Telephone recording, audio monitoring and telephone line signalling problems. Our customers range from Government, Banks, Call Centres, NHS, Harley Street Clinics, Police and the Security Services.

ACL have 35 years experience in audio and telecommunication. We are also a Member of the Institute of Sound and Communications Engineers.

V.O.I.P TELEPHONE RECORDING INTERFACE
click to view details for VOIP EXTENSION RECORDING INTERFACE 
IP Digital to Analogue Converter IP10 (V.O.I.P. DAC)
click to view details for E1/PRI/ISDN30/PCM30 Recording Interface (PR30)
E1/PRI/ISDN30/PCM30 TO ANALOGUE CONVERTER (PR30)



 
Conversion to analogue audio of all 30 channel slots in E1 or PCM30 link.  B.T. Megalink version available (32 chnls).
click to view details for ISDN2 (BRI) Voice Recording Interface. 
Basic Rate Digital to Analogue Converter (DAC)/(EDAC), 


ACL have developed the Digital to Analogue converter for digital switches where the switch manufacturer does not have an available recording Interface
click to view details for Analogue to ISDN2 BRI Recording Interface (AD42).
Analogue to ISDN2 Digital Converter (ADC).

 

ACL developed the AD42 “Anti-DAC” card for situations where analogue
signals (from conventional telephone lines or other speech sources) need to be transmitted over S0 (S-Bus) interfaces.
click to view details for Digital PBX Extension Recording Interface.
Digital Extension to Analogue Converter (DAC)/(EDAC)

ACL have developed the Digital Telephine to Analogue converter for digital switches to connect Voice Recorders to digital telephone extension wiring in the secure comms room.
click to view details for Telephone Voice Recording Scheduler (Auto select).
Analogue and Digital versions
click to view details for Voice Recorder Fail safe Switcher N+1
Analogue and Digital versions

ACL Digital have developed the Fail safe switcher to prevent down time when there is a recorder failure, to switch back or switch through E1/T1/J1 primary rate, BT Megalink or telephone extensions to a backup recorder or to a disaster recovery site.
It can be controlled by software package.
click to view details for VOIP/Digital Extension Recording Adapter
click to view details for Multiple Dealerboard Handsets/Radio Channels Recording Interface(Audio Mixer Card)
 


 
Allows mixing of multiple audio / speech  / signals
click to view details for TELEPHONE (TX/RX) AUDIO SIGNAL BOOSTER


The Telephone Audio Signal  Booster resolves the local end / distant end signal level problem when recording off 2 wire circuits
click to view details for Data over Voice Recording Interface (DOV).

ACL Digital Ltd has developed the Data over Voice card to resolve the Problem of clean triggering when recording Data over voice telephone systems.
click to view details for Dialup monitoring module (EH5)
AUTO ANSWER UNIT (EH5)
click to view details for High Voltage Spike Filter Box.
Voice Recording Spike Filter.
click to view details for DISCRETE INTERVIEW/CONFERENCE ROOM 
RECORDING MICROPHONE(CM2-1)
click to view details for SECURE RECORDING MICROPHONE (CM1) 
INTERVIEW MICROPHONE

ACL have developed the CM1 Interview Microphone with unique recording characteristics ideally suited for interview rooms.
It requires NO additional equipment, as it will work straight into the front end of any communications recorder or structured cable system
click to view details for COVERT AUDIO RECORDING MICROPHONE (CM2)

ACL have developed the CM2 Covert Microphone with unique recording characteristics.
It requires NO additional preamp equipment, it will work straight into the front end of any communications recorder or via structured cable system.
click to view details for COVERT CASINO TABLE MICROPHONE (CM3)

ACL have developed the CM3 Casino Microphone with unique recording characteristics ideally suited for Gaming rooms.
click to view details for Video/Audio Monitoring System

 

ACL Digital Ltd UK | Casino Microphone | E&M Converter | Digital Telephone Recording Solution
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