40 operators are in different stages of VoLTE (Voice over LTE) deployment worldwide.
Six operators have launched VoLTE (voice over LTE) worldwide across Azerbaijan, Germany, South Korea, Hong Kong and US. Operators who have launched VoLTE include: Azercell, O2, KT, LG U+, SK Telecom, CSL Soft and Evolve Broadband.
23 operators are in the process of deploying VoLTE whereas seven operators are trialling VoLTE in different categories. In India both Bharti Airtel and Reliance Jio are trialling VoLTE in respective circles.
The first wave of VoLTE service launches that include support for HD voice (using W-AMR) has begun.
Worldwide VoLTE Status
Country Operator Status
Azerbaijan Azercell Launched
Germany O2 Germany Launched
South Korea KT Launched
South Korea LG U+ Launched
South Korea SK Telecom Launched
USA Evolve Broadband Launched
Australia Optus Trialling
Austria T Mobile Trialling
Canada Sasktel In deployment
Canada Telus In deployment
China China Mobile In deployment
Germany DT In deployment
Germany E Plus Planned
Hong Kong CSL Soft Launched
Hong Kong PCCW In deployment
India Bharti Airtel Trialling
India Reliance Jio Trialling
Japan NTT DoCoMo Planned
Japan Softbank In deployment
Lebanon Alfa In deployment
Netherlands Tele2 In deployment
Netherlands Vodafone Study phase
Russia Yota In deployment
Saudi Arabia Mobily In deployment
Singapore StarHub In deployment
Slovakia T-Mobile Slovensko Planned
Slovenia Telekom Slovenije In deployment
Spain Telefonica Trialling
Sweden Tele2 In deployment
Sweden Teliasonera In deployment
Turkey Avea Trialling
UAE Etisalat In deployment
UK EE In deployment
USA AT&T In deployment
USA C-Spire In deployment
USA T Mobile US In deployment
USA US Cellular In deployment
USA Sprint In deployment
USA Verizon Wireless In deployment
USA VTel Trialling