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The most commonly used are USB (in PCs) and UART (in mobile phones and PDAs). In Bluetooth devices with simple functionality (e.g., headsets), the host stack and controller can be implemented on the same microprocessor. In this case the HCI is optional, although often implemented as an internal software interface.
The terminal implements the usage of the modem and PPP protocol to establish the network connection. In standard phones, the gateway PPP functionality is usually implemented by the access point of the Telco provider. In "always on" smartphones, the PPP gateway is often provided by the phone and the terminal shares the connection.
Wireless control of audio and communication functions between a mobile phone and a Bluetooth compatible car stereo system (and sometimes between the SIM card and the car phone [39] [40]). Wireless communication between a smartphone and a smart lock for unlocking doors. Wireless control of and communication with iOS and Android device phones ...
The 1120SA is a special-use phone which is certified for use by Sensitive Compartmented Information Facilities (SCIF) users, without an external device. [3] [4]The National Telecommunications Security Working Group (NTSWG) has approved the Avaya IP Phone 1120SA for deployment under the Director of Central Intelligence Directive (DCID 6/9), for VoIP and VoSIP (TSG-6 Type-acceptance CNSS Class-A ...
The device also supports Bluetooth headsets. The 9611G phone has a 3.5-inch color display and supports eight lines. The device has a built in gigabit Ethernet switch to allow a PC to connect to the network through the phone. The 9621G phone has a 4.3-inch color touchscreen. The 9641G phone has a 4.7-inch color touchscreen. The device has a ...
Personal area network (PAN) systems are intended for short range communication between devices typically controlled by a single person. Some examples include wireless headsets for mobile phones or wireless heart rate sensors communicating with a wrist watch.
Kevin Costner recently told the Daily Mail that he hasn’t given the “Yellowstone” series finale “any thoughts” since it aired on Dec. 15. Costner, whose “Yellowstone” character John ...
A remote worker location with a broadband Internet connection can use the phone's VPN capability to securely establish an IP tunnel back to the corporate network, extending a standard voice telephone extension to any location on the Internet. Other users in the global corporation can dial the user's extension as if it were on the local network.