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In the early 2000s, Commend introduced OpenDuplex as a further development of full duplex speech transmission technology. [2]In 2012 Commend ventured into virtual server technology with a software-based Intercom server, marketed under the name "VirtuoSIS".
1980s MirTone intercom system. An intercom, also called an intercommunication device, intercommunicator, or interphone, is a stand-alone voice communications system for use within a building, small collection of buildings or portably within a small coverage area, which functions independently of the public telephone network. [1]
The first Clear-Com product was the RS-100 intercom station, a portable unit connected using standard XLR-terminated microphone cables. [4] The connection scheme was based on twisted-pair telephone lines, with full duplex conversations carried on the inner two wires of the microphone cable. [5]
Telex, HME, Altair and other intercom manufacturers offer encrypted wireless intercom for corporate, military and sports team customers desiring instant voice communications with privacy. [ 2 ] [ 3 ] The first use of encrypted wireless intercom in American football was in 1996; by 1999 it was being used in the Super Bowl . [ 4 ]
The Audio/Video Remote Control Profile (AVRCP) is often used in conjunction with A2DP for remote control on devices such as headphones, car audio systems, or stand-alone speaker units. These systems often also implement Headset (HSP) or Hands-Free (HFP) profiles for telephone calls, which may be used separately.
If you've been shopping in a big box retail store you've probably heard an announcement on the loudspeaker such as, "code yellow toys, code yellow toys." This "code" is one of many innocuous ...