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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 ...
A wireless home phone service is a service that allows a regular wired telephone to connect to a cellular network, as if it were a mobile phone. [ 1 ] [ 2 ] It is an example of a wireless last mile connection to the public switched telephone network , also known as a wireless local loop .
The Headset Profile (HSP) connects headphones and earbuds to a cell phone or laptop. The Health Device Profile (HDP) can connect a cell phone to a digital thermometer or heart rate detector. The Video Distribution Profile (VDP) sends a video stream from a video camera to a TV screen or a recording device.
A vertical service code (VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [1]
Plantronics entered the multimedia headset market in 1999 with the release of the HS1 and the DSP-500 headsets, the latter featuring a built-in digital signal processing card. In 2002, Plantronics and Microsoft created the headset for the Xbox Communicator, the first headset to enable voice communication with Xbox Live. [13]
[3] [4] In most switching systems one pulse is used for the digit 1, two pulses for 2, and so on, with ten pulses for the digit 0; this makes the code unary, excepting the digit 0. Exceptions to this are Sweden, with one pulse for 0, two pulses for 1, and so on, and New Zealand, with ten pulses for 0, nine pulses for 1, etc. Oslo, the capital ...
Each pulse burst is called a fast link pulse (FLP) burst. The time interval between the start of each FLP burst is the same 16 ms as between NLPs. How a link code word (a 16-bit word) is encoded in a fast link pulse burst. The FLP burst consists of 17 NLP at a 125 μs time interval with a tolerance of 14 μs.
Pulse-code modulation (PCM) is a method used to digitally represent analog signals. It is the standard form of digital audio in computers, compact discs , digital telephony and other digital audio applications.