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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.
In North America, instead of a PTT there was the private monopoly Bell System (for the US)/Bell Canada (dominant ILEC in Ontario, Quebec and (historically) parts of what is now Nunavut; competes with other fixed-line carriers in the rest of Canada) responsible for telecommunications and a separate federally run US Postal Service/Canada Post for mail delivery.
PTT Public Company Limited had a football team founded in 1983 active in many competitions, both domestic and foreign. PTT Public Company Limited and Rayong Provincial Administrative Organization set up a football team to encourage the people of Rayong to see the benefits of football and improve the reputation of Rayong Province. [2] [3]
PNG was developed as an improved, non-patented replacement for Graphics Interchange Format (GIF)—unofficially, the initials PNG stood for the recursive acronym "PNG's not GIF". [ 6 ] PNG supports palette-based images (with palettes of 24-bit RGB or 32-bit RGBA colors), grayscale images (with or without an alpha channel for transparency), and ...
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PTT Public Company Limited or simply PTT (Thai: บริษัท ปตท. จำกัด (มหาชน)) is a Thai state-owned SET-listed oil and gas company. Formerly known as the Petroleum Authority of Thailand, it owns extensive submarine gas pipelines in the Gulf of Thailand, a network of LPG terminals throughout the kingdom, and it is involved in electricity generation ...
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 Stadium (Thai: สนาม ปตท. ระยอง หรือ สนามสวนสมุนไพร มาบข่า ; known as Mabka Stadium ) is a football stadium located in Rayong , Thailand, with a capacity of 12,000.