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Push-to-talk (PTT), also known as press-to-transmit, is a method of having conversations or talking on half-duplex communication lines, including two-way radio, using a momentary button to switch from voice reception mode to transmit mode.
Polytrimethylene terephthalate (PTT), is a polyester synthesized and patented in 1941. [ 1 ] [ 2 ] It is produced by a method called condensation polymerization or transesterification . The two monomer units used in producing this polymer are: 1,3-propanediol and terephthalic acid or dimethyl terephthalate .
PTT logo from 1988 Swiss PTT logos of 1938 (bottom) and 1988 (top). PTT (German: Schweizerische Post-, Telephon- und Telegraphen-Betriebe, French: Postes, télégraphes et téléphones, Italian: Poste, telegrafi e telefoni) was the postal, telegraph, and telephone agency of Switzerland, from 1928 to 1998.
PTT Global Chemical (Thai: บริษัท พีทีที โกลบอล เคมิคอล จำกัด (มหาชน)), also known as PTTGC, is a petrochemical company that specializes in synthesizing olefins and aromatics. It was founded in 2011 and is a subsidiary of PTT Public Company Limited. [1]
PTT ID, or Push-To-Talk ID, is a generic term for an automatic number identification (ANI)-like system used in two-way radio systems. It provides identification of the transmitting radio over the air, and is commonly used in selective calling /signaling systems, usually in commercial and public safety radio systems.
PTT Public Company Limited, a Thai oil and gas company; Pashtun Tahafuz Tehrik, a human rights movement in Pakistan; Pennsylvania Tunnel and Terminal Railroad, the New York Penn Station tunnel owner; Pizza Time Theatre (now Chuck E. Cheese's), an American entertainment restaurant chain; Police Tactical Team, Singapore
The iCON RSU (Bangkok Metropolitan region) 2024 → The 2023 Thailand Semi-pro League is the first season of the Thailand Semi-pro League , the fourth-tier professional league for association football clubs in Thailand , since its establishment in 2023, [ 3 ] also known as PTT Lubricants Semi-pro League due to the sponsorship deal with PTT ...
Algérie Poste was created in 2002 following the reorganization of the Postal, Telegraph, and Telephone Service (PTT). In 2007, it launched electronic payment with smart cards from HB Technologies.