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Digital Access Signalling System 2 (DASS2) is an obsolescent protocol defined by British Telecom (BT) for digital links to PSTN based on ISDN. Although still available on request, it has been superseded by ETS 300 102 ("EuroISDN"). DASS2 is an improved version over DASS1, based on experiences with DPNSS.
Used to set up and control speech and data calls between Bluetooth devices. The protocol is based on the ITU-T standard Q.931, with the provisions of Annex D applied, making only the minimum changes necessary for Bluetooth. TCS is used by the intercom (ICP) and cordless telephony (CTP) profiles. The telephone control protocol specification is ...
Digital access carrier system (DACS) is the name used by British Telecom (BT Group plc) in the United Kingdom for a 0+2 pair gain system. Two Telspec DACS remote units mounted on a pole Usage
It could be used for streaming a recorded video from a PC media center to a portable player, or a live video from a digital video camera to a TV. Support for the H.263 baseline is mandatory. The MPEG-4 Visual Simple Profile, and H.263 profiles 3 and 8 are optionally supported, and covered in the specification.1
The 21st Century Network (21CN) programme is the data and voice network transformation project, under way since 2004, [1] of the UK telecommunications company BT Group plc. It was intended to move BT's telephone network from the AXE/System X Public Switched Telephone Network (PSTN) to an Internet Protocol (IP) system. As well as switching over ...
As The Verge has noticed, the Windows 10 Creators Update brings Microsoft's Cortana assistant into the setup process. You can tell Windows to connect to your WiFi network, choose keyboard options ...
The earliest deployed upper-layer protocols in the SS7 suite were dedicated to the setup, maintenance, and release of telephone calls. [8] The Telephone User Part (TUP) was adopted in Europe and the Integrated Services Digital Network (ISDN) User Part adapted for public switched telephone network (PSTN) calls was adopted in North America. ISUP ...
The BT Ultra Smart Hub appeared visually similar to the Smart Hub, but featured a G.fast capable modem and included a BS6312 socket which subscribers to BT Digital Voice can use to attach an analogue telephone. Digital Voice launched in January 2020 as the replacement for analogue voice service, which planned to be turned off by 2025.