Ericsson and China Mobile demo HD voice calls between LTE types at MWC


Ericsson and China Mobile have demonstrated the first “dual mode” HD voice call between TD-LTE and LTE-FDD, the two different types of LTE. 

The demonstration included ST-Ericsson’s Thor LTE modem, Renesas Mobile quad mode chipsets, and Ericsson’s LTE TDD/FDD radio solution and IMS platform and was conducted at China Mobile’s booth at the […]

LG U+ uses Ericsson for VoLTE service deployment in South Korea


Ericsson ( continues building its HD voice wins, this time by providing the technology for LG U+ to deploy VoLTE (Voice over LTE).

The company’s press release doesn’t detail an exact date for VoLTE service turn up, only that LG U+ has launched. It also says the operator “can offer” services such as […]

Ericsson, Qualcomm to demo VoLTE to WCDMA voice handover via SRVCC


At Mobile World Congress next week, Ericsson and Qualcomm will conduct a live demo of seamless voice call handoff between LTE to WCDMA voice networks. 

The SRVCC (Single Radio Voice Call Continuity) demo highlights the ability to use fewer radio components to hand off calls between LTE and WCDMA networks.   A demo illustrates […]

Ericsson releases white paper on HD voice


Ericsson has released a new white paper on HD voice.  “HD Voice: It speaks for itself,” available here, covers the role HD voice will play with operators and users of both fixed and mobile networks.

Among the interesting tidbits Ericsson presents include is a chart ranking call quality of an HD device to […]

Ericsson claims its due in Australia mobile HD voice rollout


In a press release sent to Reuters and making the rounds in other distribution circles, Ericsson is defining its role in the mobile HD voice rollout in Australia, “the world’s largest HD voice network.” Telstra has turned up HD voice services covering over 2.1 million square kilometers, according to the release. 

Ericsson supplied […]

HD Voice session at TIA 2011 on May 18 @ 8:30 am


TIA 2011 ( has HD voice in its sessions this week.

“HD Voice: Implementing the Advantages” is taking place on May 18, 2011, from 8:30 to 9:15 am in Grapevine 3 at the Gaylord Texan in Dallas.

Presenters include Doug Mohney, Editor in Chief, HD Voice and Kjell Johanssen, Director, Communications Service Solutions, Region […]

TIA 2011 featuring HD voice session


Editor-in-Chief Doug Mohney will be one of the presenters at TIA 2011 in mid-May. The event is being held at the Gaylord Texas in Dallas, TX.

“HD Voice: Implementing the Advantages” takes place on Wednesday, May 18 from 8:30 am – 9:15 am. From the TIA 2011 website description.

HD voice — also known […]

Ericsson demos HD voice on CDMA–but will it sell?


Today, Ericsson ( announced a successful demonstration of a an HD voice call CDMA using the EVRC-NW (Enhanced Variable Rate Codec-Narrowband-Wideband) codec in a lab environment using Ericsson CDMA gear, claiming a technical first for the CDMA industry. It’s an interesting release since Qualcomm been demoing HD voice for year and the Ericsson release […]

More mobile phones shipping HD voice enabled: Global mobile Suppliers Association (GSA)


In a report released on March 9, the Global mobile Suppliers Association (GSA) ( declared more handset manufacturers are shipping mobile phones with HD voice activated as default.

Phones listed in the report with AMR-WB (Or W-AMR, as the new marketing-speak term appears) turned on from the factory include Nokia C3, C6, C7, E7, […]