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In June 2007, the FCC formally barred the interexchange carriers from blocking conference calls. [3] FreeConferenceCall.com's business model was later indirectly regulated when the FCC enacted the Connect America Fund in 2012, ending the exemption for telephone companies in rural areas and requiring the LECs to operate like any other U.S ...
The National Research Council (NRC) maintains Canada's official time through the use of atomic clocks. [3] The official time is specified in legislation passed by the individual provinces. In Quebec it is based on coordinated universal time. [4] The other provinces use mean solar time.
CHU can be practically unusable in most of Western Canada, Nunavut, and the Northwest Territories, for significant stretches of time. U.S. stations WWV and WWVH are the fallback in Western Canada. In the high Arctic, however, both the U.S. shortwave time stations and CHU become essentially unusable or unreliable.
A typical low-cost webcam (a Microsoft LifeCam VX-3000) for use with many popular video-telecommunication programs (2009). This list of video telecommunication services and product brands is for groupings of notable video telecommunication services, brands of videophones, webcams and video conferencing hardware and systems, all related to videotelephony for two-way communications with live ...
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NIST Automated Computer Time Service (ACTS) [27] +1-303-494-4774 +1-808-335-4721; Windows computer with dialup modem. ntpd with NIST/USNO/PTB Modem Time Services driver; ClockWatch Pro for Windows [22] USNO Master Clock modem time [28] +1-202-762-1594 Computer with Bell 212A or CCITT V.22 compatible modem US Naval Observatory time service UTC(USNO)
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The master clock in a clock network can receive accurate time in a number of ways: through the United States GPS satellite constellation, a Network Time Protocol server, the CDMA cellular phone network, a modem connection to a time source, or by listening to radio transmissions from WWV or WWVH, or a special signal from an upstream broadcast network.