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Trunk lines are used for connecting a private branch exchange (PBX) to a telephone service provider. [4] When needed they can be used by any telephone connected to the PBX, while the station lines to the extensions serve only one station’s telephones. Trunking saves cost, because there are usually fewer trunk lines than extension lines, since ...
telephone line to phone cord: The wall jack. This connection is the most standardized, and often regulated as the boundary between an individual's telephone and the telephone network. In many residences, though, the boundary between utility-owned and household-owned cabling is a network interface on an outside wall known as the demarcation ...
These types of systems allow for two or more parties to be able to talk to one another in areas that experience loss of power or when radio communication is hampered by RF signal losses and/or limitations. Ski lifts use sound-powered phones extensively. Because there are only two handsets (rarely three, where there is a mid station), sound ...
Sprint Direct Connect Now, based on Qualcomm Inc.'s proven push-to-talk technology platform, effectively extends Sprint's growing push-to-talk franchise - with more than 1 million Sprint Direct ...
Internally, the contacts in the plugs have sharp prongs that, when crimped, displace the wire insulation and connect with the conductors inside—a mechanism known as insulation displacement. Cables have either solid or stranded (tinsel wire) conductors, and a given plug is designed for only one type. The sharp prongs are different in the ...
Once embedded with ad hoc networking technology, a group of smartphones in close proximity can together create an ad hoc network. Smart phone ad hoc networks use the existing hardware (primarily Bluetooth and Wi-Fi ) in commercially available smartphones to create peer-to-peer networks without relying on cellular carrier networks, wireless ...
It can also be used to Bluetooth connect audio to pretty much any device with a standard 3.5 millimeter headphone jack. Use it on airplanes to connect AirPods to in-flight entertainment, at gyms ...
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