DOCOMO Partners KT to Offer VoLTE International Roaming in South Korea

DOCOMO Partners KT to Offer VoLTE International Roaming in South Korea

NTT DOCOMO, announced today that it will launch a Voice-over-LTE (VoLTE) international roaming service in South Korea on the October 7th through a cooperative initiative with Seoul-based KT Corporation, one of South Korea's largest mobile operators. Nine smartphones in DOCOMO's newly-released winter/spring lineup are compatible with the new service, said the operator.

DOCOMO becomes Japan's first mobile operator to offer a VoLTE outbound roaming service. The operator expects to expand its VoLTE roaming service into other countries through partnerships with local companies.

The service incorporates the S8 Home Routed (S8HR) architecture, which is used to enhance the existing LTE data roaming architecture to support VoLTE under roaming environment, enabling fast and efficient commercialization of VoLTE roaming services. The S8HR architecture is a method based on 3GPP standards to realize VoLTE roaming.

Image by Swlee8851 (Own work) [CC BY-SA 3.0], via Wikimedia Commons

Ray is a news editor at The Fast Mode, bringing with him more than 10 years of experience in the wireless industry.

For tips and feedback, email Ray at ray.sharma(at)thefastmode.com, or reach him on LinkedIn @raysharma10, Facebook @1RaySharma

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