T-Mobile Launches HDVoice Nationwide; Kinda, Sorta, Maybe, A Little Bit

T-Mobile-on-HDVoice.pngLast month at CES the nations #3 mobile carrier launched HDVoice nationally on its HSPA+ network. Here’s the entire press release. Actually, here’s the snippet that you need to track:

T-Mobile today announced that HD Voice is now available on its network nationwide, dramatically improving in-call voice quality for customers with capable smartphones. Customers will hear a more true-to-life voice quality that’s fuller and more natural-sounding with significantly reduced background noise from street traffic, wind and crowd noise. To experience HD Voice, both parties on the call must use capable T-Mobile 4G smartphones such as the HTC One™ S, Nokia Astound and Samsung Galaxy S® III on T-Mobile’s HD Voice-enabled nationwide network. T-Mobile is the first U.S. wireless provider to launch HD Voice nationwide.

It’s very exciting, yes? Well, it is for me as I am both a big fan of HDVoice and a long-time T-Mobile customer.

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Cedar Point Promotes HDVoice In Recent Upgrades

Cedar Point Communications manufacturers a range of switching platforms that commonly target CableCo’s, CellCo’s & traditional carriers. Multi-Chanel Mobile news recently ran a story highlighting how Cedar Point Pushes HDVoice Upgrade. This came to my attention when Doug Mohney tweeted something about HDVoice “upconversion” as an aspect of their Safari C3 switching platform. Doug went on to post something about this at HDVoice News.

An examination of some of the literature on the Safari C3 switching platform reveals support for circuit switched and packet networks, as well as G.722 in the codec realm. The Safari C3 really does seem to be build around the needs of the packet cable community.

In the broadest sense this is great as it points to yet another player in the telecom space making wideband telephony a factor in their marketing. That drives up visibility of wideband telephony, which can’t help but be “a good thing.”*

I’m especially interested in the idea of bandwidth extension. I’ll have more to follow on that subject shortly….

*tm Martha Stewart Omnimedia

Answering One More Question About HDVoice

Picking up where I left off some time ago, there was one more question arising from the earlier thread in the VoIP Forum at Broadband Reports. PX Eliezer asks:

4) G.722 is royalty-free. That being the case, and if it is not a bandwidth hog, and if it sounds great, then why do so many Voip providers, and so many manufacturers, not support it? In other words, why has adoption been so slow?

There are many factors that have contrived to slow the progress in implementing HDVoice on a broad scale. So many in fact that just pondering them has delayed my response to your question. I didn’t want to drift around a range to topics and make the matter appear utterly insurmountable.

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The Mythical POTS Advantage: Line Powered Phones

When conversation turns to a debate of VoIP vs POTS one of the common arguments in favor of keeping at least one POTS line is the idea that a plain vanilla phone doesn’t require AC power. It’s power comes down that very same POTS line from the phone company, so in theory  it  remains operational in the case of a power outage. This is fast on the way to becoming a myth.

The idea itself is not wrong. You could have a very plain phone on your POTS line, and it would work during a power outage. However, the simple fact is that at least in the US…almost noone has a simple line powered phone anymore.

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