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LAN-TAPI
- An interface in the ICT system, used for the computer-based control of telephony functions for several subscribers over the network
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LDAP
- Network protocol for querying and modifying information on distributed directory services
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LED signalling
- The use of LEDs as visual signals or alarms
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legacy interface
- Interface for "out of date" devices that are to be operated in modern systems
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Li-ion battery
- Powerful rechargeable battery technology, notable for high storage density, small dimensions and lack of memory effect
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Li-poly battery
- A type of powerful rechargeable battery technology used in almost all small devices, notable for high storage density, small dimensions and lack of memory effect
