By Doug Mohney, on June 1st, 2011
ZipDX CEO David Frankel has filed a petition with the Federal Communications Commission (FCC) to deny the AT&T/T-Mobile merger unless HD voice requirements are put onto AT&T as conditions it needs to meet once it completes the deal.
Frankel briefed FCC officials from the Wireless Telecommunications Bureau, the Office of General Council, and the Consumer & [...]
By Doug Mohney, on February 24th, 2011
HD Voice News has discovered (well, stumbled upon) a patent AT&T filed in 2009 on a “system for bandwidth extension of narrowband speech.”
The patent can be found at http://www.freepatentsonline.com/y2010/0042408.html and describes a method for taking a narrowband speech signal and then “synthesizing” a wideband signal.
It is not clear what, if any, impact this patent would [...]
By Doug Mohney, on October 18th, 2010
WARNING: BIG pictures ahead
These are several slides I’ve selected from the the AT&T SIP transport presentation given at the 5th Annual IIT VoIP Conference and Expo last week.
Please note: 1) This is not the full presentation, just excerpts. 2) As of October 18, evening, the full presentation is *not* on the IIT server and 3) Even [...]
By Doug Mohney, on October 14th, 2010
IIT VoIP Conference and Expo 2010, Chicago-burbs – AT&T (www.att.com) has gone public with its architecture and plans (including business plans) for its SIP peering architecture. While a company spokesperson wouldn’t discuss how far along the company was in discussions with other Tier 1 carriers, HD Voice News believes AT&T is much further along than PowerPoint [...]
By Doug Mohney, on October 21st, 2009
Asked about reports of AT&T conducting HD voice trials/pilots in the San Antonio area, its PR firm responded thus:
“HD voice is a very interesting technology that we’re monitoring, but we don’t have an HD Voice offering or any plans to discuss at this time.”
AT&T’s response should be placed in context relative to the other [...]
By Doug Mohney, on October 14th, 2009
AT&T is doing something with HD voice in San Antonio, but details are relatively sparse. Sources say that AT&T is doing an in-house trial, but have not clarified if this would be a consumer or business service.
If true, AT&T would join Verizon as the second/other major North American carrier working with HD Voice. Verizon has deployed [...]
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