Posted: March 7, 2016

4G-Reports Announces Top Five Vendors in the Global VoLTE Market Until has announced the top five leading vendors for the global VoLTE market in their latest research report. This report also lists 30 other prominent vendors who are expected to contribute to this market’s growth over the forecast period.

To identify the top vendors, Technavio’s market research analysts have considered the top contributors to the overall revenue of this market. To calculate the market size, the report considers the number of global VoLTE subscriptions along with the number of commercial networks deployed globally.

“The integration between a mobile operator’s cellular voice service and a Wi-Fi calling service is an emerging trend in the market. In the US, the popularity of VoWi-Fi is very high. Initially, consumers were dependent on over-the-top (OTT) applications such as Skype, WhatsApp, Google Voice, and Viber for video calling purposes. This requires users to download a separate application for its use. But, VoWi-Fi enables mobile phone users to use the same phone number as well as the same smartphone interface while making a call over any cellular network or Wi-Fi network,” said Rakesh Panda, one of Technavio’s lead analysts for m2m and connected devices research.

Five leading vendors in the global VoLTE market:


AT&T is headquartered in Texas, US. The company provides telecommunications services worldwide. They offer data/broadband and Internet services, wireless communications, video services, telecommunications equipment, local exchange services, long-distance services, managed networking, and wholesale services.

The company offers cloud services, cloud storage, and cloud networking. The company’s storage services include, backup services and its proprietary Synaptic storage as a service. Synaptic storage as a service allows customers to keep storage costs in line with demand, protect resources with multi-layered security in the network, access data through public or private VPN-enabled connection, and streamline deployment with pre-configured third-party solutions. The company’s networking partners include Amazon Web Services, HP, CSC, VMware, IBM, Microsoft Azure, and Cisco, among others.


KT was established in 1981 and has its headquarters in Seongnam, South Korea. The company focuses on communication and information businesses and operates mainly in the high-speed Internet and local telephone market. They provide integrated wired and wireless telecommunication services.

The company has its key operations located in South Korea and has 16.5 million subscribers for mobile services and they operate in Uzbekistan, South Africa, Mongolia, Brunei, Rwanda, and Poland. Offers mobile services based on LTE technology and W-CDMA technology. Their key offerings include, HSDPA-based IMT-2000 services, high-capacity wireless Internet, and video multimedia communications services.

Global VoLTE Market 2015-2019

LG Uplus

LG Uplus was established in 1996 with is headquarters in Seoul, South Korea. The company is focused on selling wired and wireless communications devices across South Korea. The company also has expertise in wireless telecommunication services with close to 6,780 employees and operations spread under the LG Group.

Under their global roaming phone rental services, the company offers services such as mobile phone rental (services offered for overseas Koreans, foreigners, businessmen, and international students), rental charge calculator (enables a user to calculate the cost of a call made from Korea), online reservations (helps in making international and domestic phone calls for online and phone reservation), and roaming center location.

SK Telecom

SK Telecom was founded in 1984 and is headquartered in Seoul, South Korea. The company provides wireless communication services which includes cellular voice services, Internet and IP-TV, wireless data services, and fixed-line telephone services.

They also provide broadband Internet services and other Internet-based services including fixed-line telephone services, corporate data services, and video on demand and IP-TV services. It also provides wireless access to Internet-based content and services. It offers an IP service called joyn that provides SMS messaging services with features photo, video, and location sharing. In addition, the company offers B TV mobile service that enables subscribers to access media content, such as television programs, movies, and other video content, which can be downloaded to wireless devices.


T-Mobile was founded in 1994 and is headquartered in Bellevue, Washington, US. The company provides wireless communication services including voice, messaging, and data to prepaid, postpaid, and wholesale markets. It markets its services under the T-Mobile and MetroPCS brands in the US, Puerto Rico, and the US Virgin Islands.

As of December 2014, the company recorded a revenue of close to USD 29.56 billion and served over 55 million customers. T-Mobile provides a wide range of wireless communication services through a number of technologies including LTE, HSPA+, UMTS, GPRS, EDGE, GSM, and CDMA.

In May 2014, the company began to roll out VoLTE services in the US. VoLTE services are available in various mobile devices such as LG G Flex, Samsung Galaxy Light and Note 3, Google Nexus, and Sony Xperia Z3. The company completed the process of upgrading its network to LTE using its mid-band spectrum licenses. This provides customers with faster data transfer speeds, good connectivity, and increased coverage.

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