Vonage's Marc Lefar to speak at the upcoming Citi Conference; Level 3 to release Q4 2013 earnings on Feb. 5

Wireline news from across the web:

@FierceTelecom RT @ Jessica Rosenworcel: 2014: Time for more policy "sandboxes" in Washington, taking a cue from how software developers set aside space for experimentation. | Follow @FierceTelecom

> Vonage's CEO Marc Lefar will present at the 2014 Citi Global Internet, Media & Telecommunications Conference on Tuesday, Jan. 7, 2014 at 10:30 a.m., PST (1:30 p.m., EST). Release

> Level 3 Communications will release its Q4 2013 financial results on Wednesday, Feb. 5, and will host a conference call at 10 a.m. EST. Release

Cable News
> Fox Sports will only allow authenticated pay TV subscribers to watch streaming video from its coverage of the NFL playoffs, including Comcast, Cablevision and AT&T U-verse TV customers, Variety reported Friday. Article

> Discovery Communications said that CEO David Zaslav signed a contract extension that will keep him at the helm of the top non-fiction cable programmer through December 2019. Article

Wireless News
> Huawei is warning that the global technology industry, especially the makers of network equipment, could split along geographic or political lines in the wake of a recent report that the National Security Agency has targeted specific technology products. Article

> BlackBerry has a new CEO and a new strategy and is ending its one-year partnership with musician and singer Alicia Keys, who had served as a global creative director for the company in a bid to spark demand for its BlackBerry 10 platform and phones. Article

And finally… SDN and NFV both have a tendency to increase the number of elements in a network. Article

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