Deutsche Telekom turns up mobile HD voice in Germany

Deutsche Telekom, the incumbent phone company of Germany, has officially announced the turn up of HD voice service on its 3G mobile network.  All the usual “standards” seem to apply.

HD voice service is available across the country’s network “nationwide,” according to the DT press release.   It is “automatic” and free with an HD Voice-enabled mobile phone.  Both callers need to be on the DT network and have HD capable phones.

DT is also bragging that even if one customer is not on an HD-voice capable phone or the DT 3G network, phone quality is “noticeably improved” – implying there’s some HD upconverting/processing to non-wideband voice media within the DT core.

HD voice capable handsets supported/on the network include Sony Ericsson Xperia arc, Xperia PLAY ray Xperia, Xperia and Xperia arc s Active, the Nokia 500 and “the two HTC devices and radar sensation XE possible” says the Google Translate of the page.

There’s also a “sound quality of HD Voice test” (with apologies to DT) at

From a big picture perspective, DT has wasted no time in rolling out HD voice in the second half of this year.   The company is introducing CAT-iq 2.0 capable devices for its broadband voice customers.  Since August, T-Mobile has rolled out HD voice in Poland, Austria, and the Czech Republic — with Germany, the company has averaged one new HD territory per month so far.

There are a total of 11 T-Mobile subsidiaries around the world, plus the company has stakes in Albania, Bulgaria, Bosnia & Herzegovina, Greece, and Romania.  In addition, T Mobile USA is currently “in play” as AT&T tries to buy it.

Candidates for upcoming mobile HD voice DT announcements include the UK (network already shared with France Telecom/Orange) and the Netherlands.

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