Roaming with Voice in LTE networks

Roaming is a fundamental part of the mobile telecoms customer experience and it is essential to support it in every generation of technology. LTE has been introduced on all continents already and will be gradually rolled throughout all networks. LTE provides cost-effective and fast multimedia mobile data services and helps drive value through an improved subscriber quality of experience.
As subscribers roam between the LTE and GSM/UMTS networks, operators ensure continuity of the voice service with minimal service disruptions. However, international roaming capability for the next generation mobile services still remains a big challenge.
We believe LTE roaming will contribute to the success of LTE, irrespectively of hard pressure from different governments and EU with regards to tariffs, cap of traffic/cost, notification of usage etc.

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