International Roaming

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/ˌɪnərˈnæʃənɑl ˈroʊmɪŋ/

International Roaming(IR) is your digital mobile phone's passport to travel but the cost of calls is high.
It has international roaming service.
On the realization of traffic steering in mobile international roaming
In order to enhance the image of China Unicom, increase the users ' loyalty, provide better and efficient service, china unicom need to build china unicom international roaming welcome short message system to replace the existing system.
With this goal in mind, China Unicom had focused on enhancing the quality of 3G international roaming even before the 3G network was officially commercialized.3G international roaming is a cross-regional, multi-business service involving multi-network, multi-device and multi-technology.

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