Communications solutions provider Globecomm has announced that Adams NetWorks, Inc. (Adams) and Chariton Valley have commercially launched 4G LTE services to their customers leveraging Globecomm’s Hosted LTE solutions.

US carrier AT&T plans to introduce High Definition (HD) Voice on an all-IP, Voice Over LTE (VoLTE) network in select markets beginning May 23. 

Initially, HD Voice from AT&T will be available in select areas in Illinois, Indiana, Minnesota and Wisconsin

Australian mobile operator Telstra has announced successful live demonstration of 450Mbps network speed using LTE Advanced Carrier Aggregation across a trial combination of 1800MHz and 2600MHz bands.

Japanese mobile carrier NTT DOCOMO plans to launch high-quality voice and video calls using Voice-over-LTE (VoLTE) technology on its LTE network, beginning late June.

Russia's telecommunications operator MTS has completed the Voice over LTE (VoLTE) call on a telco cloud infrastructure using Nokia’s technology. The end-to-end testing was successfully conducted in the operator’s live LTE network with  user devices. 

China Mobile has fully tested and certified Ericsson's M7450 5-mode modem chipset for use in China Mobile's network. Ericsson's M7450 covers five access technologies: TD-LTE, LTE FDD, WCDMA, TD-SCDMA and GSM.  The LTE Advanced multimode modem targets smartphones, tablets and other connected devices.

Kyrgyzstan's mobile operator O! has launched LTE network in the country. According to operator, LTE service is available with data rates up to 75 Mbps in all areas of capital city Bishkek. 

Japanese carrier NTT DOCOMO plans to conduct experimental trials of emerging 5G mobile communications technologies with six mobile technology vendors: Alcatel-Lucent, Ericsson, Fujitsu, NEC, Nokia and Samsung.

South Korea's SK Telecom has started expanding installation of base stations to use 10MHz bandwidth from 2.1GHz band for LTE from May 7 in certain areas in Seoul, Gwangju and Busan. The company already built an LTE test-bed for 2.1GHz band in Busan last February.

T-Mobile Czech Republic plans to cover 93 percent of the population and 80% of the territory with 3G and LTE networks by the end of the year. Operator's LTE network operator will cover 51% of the population and 73% of the area by end of 2014. 

ZTE announced that the company won a major mobile network contract from Cambodia's mobile operator Sotelco. ZTE’s wireless solutions will be deployed in Sotelco’s networks for 2G, 3G and 4G services. 

Algerian telecom operator, Algerie Telecom has officially launched LTE service in the country. Operator aims to deploy eNodeB 2000 sites in late 2015. In the first phase of deployment, Algerie Telecom  has deployed eNodeB 200 sites spread over 48 provinces. 

Telecom New Zealand plans to begin trial of LTE network over APT700 MHz spectrum next month. The upcoming trial will be conducted in conjunction with Huawei Technologies over 11 cell sites spread across three Waikato locations including central Hamilton and the Mystery Creek Events Centre. 

US operator Sprint has added 4G LTE service in 41 more new cities. With this expansion, Sprint' LTE network now covers more than 225 million people and remains on track to cover 250 million by mid-year.