| Developers: | Rostelecom |
| Last Release Date: | 2025/03/26 |
| Branches: | Telecommunications and Communications |
Content |
Main article: LTE (Long-Term Evolution, 4G)
2025
=Availability to metropolitan subscribers
Rostelecom"" expands mobile subscribers' access to technology Voice over Wi-Fi (VoWiFi) and Voice over LTE (VoLTE). Since October 1, 2025, both standards communications work in and, To Moscow since Moscow region the launch, every second subscriber in the capital region has already connected them. This was announced Rostelecom by "" on October 20, 2025. More here.
VoLTE access in five regions
Rostelecom subscribers in the Altai Territory, Murmansk and Rostov regions, the republics of Tuva and Khakassia, received access to the Voice over LTE (VoLTE) service - voice transmission in HD (HD Voice) and instant dialing in 4G network. Now the company's customers can simultaneously talk on the phone, use instant messengers and the Internet without loss of quality. The operator announced this on May 16, 2025.
For the first time, Rostelecom subscribers in a number of regions had the opportunity to use the Voice over LTE service in March 2025. According to the company, today the leaders in the use of VoLTE are Voronezh, Novosibirsk, Omsk, Tomsk and Chelyabinsk regions. In these regions, the share of users with VoLTE exceeds 60% of Rostelecom's total base.
In some regions, the VoLTE service for subscribers of Rostelecom package offers has been implemented using the solutions of the Russian developer NTC Protei. In Yekaterinburg, Kurgan, Tomsk, Ulan-Uda and the Khanty-Mansi Autonomous Okrug, the service was introduced using domestic technologies. This not only ensures a high level of service, but also supports the development of Russian technologies.
Optimizing Communication Quality
Rostelecom"" improved the quality and speed of the connection between subscribers. HD voices (HD Voice) and Instant Dial on the network 4G () LTE are now available to subscribers of package offers for free. The ability to make calls using Voice over LTE (VoLTE) technology appeared in 17. regions of the country The technology allows subscribers to simultaneously talk on the phone, use messengers and access to without Internet loss of quality. The company announced this on March 26, 2025.
VoLTE is most actively used in, and Perm Territory Chelyabinsk , Irkutsk regions as well as in the Republic. In Buryatia recent months, Rostelecom subscribers have joined them in,,,,, Voronezh,,, and the Kurganskaya Novosibirsk Omsk Penza Sakhalin Sverdlovsk Tomsk Tyumen regions Altai Republic, as well as. In Stavropol Territory Khanty-Mansiysk Yamal-Nenets Autonomous Okrugs the near future, the VoLTE service will be available in other regions.
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