Often when equipping an access control point, an intercom needs to be added to the reader so that in the event of any incident such as "an employee that forgets a card", "a visitor", etc., the person trying to access the building can contact a control station or a point that receives these kind of calls, so that once identified they can have access. This usually requires parallel systems and extra wiring, in other words, more complex and expensive facilities.
A reader, regardless of its technology, an intercom and a camera can now be integrated in an access control point and managed, as if they were a single reader, by the AS/3 control unit, with a single Ethernet network point. All of these remote calls can be answered from one or several control stations, or a call centre, regardless of their physical location.
The new DSP allows a call to be made from a reader and/or intercom to a control station equipped with DASS (Dorlet Advanced Security Software), to an extension telephone, even wireless, in the customer's telephone switchboard, or to a mobile telephone, and from any of these devices the call can be answered and the door opened if necessary.
This is possible because these new boards incorporate Dorlet proprietary protocol and SIP, RTSP and RTP standards, allowing them to interact with third party SIP providers and benefit from all of the advantages of VoIP technology.
This DSP motherboard can work together with the AS/3 control unit or independently if no access reader is required, and it comes in two versions:
- AS/3 VoIP and DSP VoIP (Voice over IP): IP voice transmission.
- AS/3 VoIP and DSP IoIP (Image over IP): Voice and video over IP.
In both cases, there are two McASP (Multichannel Audio Serial Port) audio channels that allow voice transmission in FULL-DUPLEX mode via Ethernet, and two video channels for two analogue cameras simultaneously in the IoIP model.
The DORLET system is therefore more flexible and has more features than traditional separate access control and intercom systems, in terms of installing the systems and managing them.
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