Deutsche Telekom starts HD voice transcoding in Germany


Updated at 1:45 PM ET with edits

Deutsche Telekom (DT) has officially confirmed it is transcoding HD voice between its 3G mobile network and its IP-based fixed line network in Germany.  The company said it has been transcoding since October 9, 2014.

Transcoding between AMR-WB, the mobile world’s HD voice standard, and G.722 […]

Latest GSA report: Mobile HD voice on 51 networks, 38 countries, 127 phones


A pair of reports from the Global mobile Suppliers Association (GSA, this week underline the growth of HD voice on mobile networks.  You can now find AMR-WB on 51 mobile phone networks in 38 countries, with 127 “announced” HD voice phones from 14 manufacturers.

HD voice is getting customers to make more or […]

Invoxia, Line2 adding new HD voice codecs


Desktop hardware manufacturer Invoxia and over-the-top service provider Line2 are currently testing new HD voice codecs for their respective products.

Via an email exchange, Invoxia says it is currently testing AMR-WB in its lab and the de facto mobile standard will be supported “in the next firmware upgrade” in two or three weeks.   […]

Sources: AMR-WB licensing a pain if you aren’t building devices


During last week’s rounds at Metaswitch Forum and IT EXPO West 2012, two software companies said licensing AMR-WB for use in their products was a royal pain.  VoiceAge’s patent pool apparently only covers end-user device implementations of the codec, requiring companies to work directly with the different patent holders – all of which have […]

Metaswitch details HD voice support, mobile voice quality enhancements


Orlando, Florida, Metaswitch Forum 2012 — Company executives detailed Metaswitch’s product enhancements for HD voice support and mobile voice quality. There’s strong support for SILK and transcoding among the news, plus enhancements

Paul Brittain, VP, VoIP & Multimedia products, said the company was adding support for SILK and AMR-WB in the HD realm, […]

Rogers rolls out CounterPath soft client–but leaves HD out of the equation


CounterPath ( has announced Rogers Communications will use its software to enable single-number reachability by talk or text, regardless of device. It’s the first service of its kind in Canada, but Rogers’ isn’t supporting HD voice on the first go.

Rogers One Number supports one inbox and contact list, talk and texts to Canadian […]

FYI–“Cheap” Nokia phone HD voice support


Thanks to Nok VoIP for the tip.

This might be “old news” to some, but a number of low-cost Nokia SIP-capable phones support HD voice over VoIP using AMR-WB as the speech codec.  The S40 models, including Asha 303, C3-01 Gold, C3-01 T&T, X3-02 T&T all support AMR-WB via SIP.

A list is available […]

Global mobile Supplier Association issues latest HD voice statistics


Earlier this week,the Global mobile Supplier Association ( released its latest and greatest stats on HD voice penetration in the GSM world. There are 60 compatible AMR-WB devices available on the market, 31 countries with commercial mobile HD voice service, and 36 commercial mobile HD voice networks turned up.

Dated November 22, 2011, the […]

T-Mobile launches HD voice in the Czech Republic


T-Mobile Czech Republic has launched HD voice, reports TelecomPaper.  This would be the third official turn-up for T-Mobile this year.

According to the report, T-Mobile is the first mobile operator in the country to turn up HD voice.  Service will be available on the 3G network, which currently covers about 65 percent of […]

Technicolor releases new SME HD voice phone with AMR-WB and G.722 codecs


At IP Convergence in Paris, Technnicolor ( announced a new entry-level SIP phone. Now if they’d only use the term “HD voice” instead of “HD sound.” However, the phone supports not one, but two common HD voice codec.

The announcement came as a part of a larger one showcasing Technicolor’s MediaAccess communications products.