Orange’s UMA service (Unik) allows customers to use a single handset to make calls by seamlessly switching from fixed WiFi to mobile cellular networks as they leave or enter their home or office.
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“The introduction of WiFi into high-end mobile phones has been very successful. Users of such phones are taking advantage of WiFi to stream and download multimedia to their phones more quickly and more cheaply than they can over cellular. This usage trend can be supported effectively by making the experience seamless, removing the need for users to think about and switch manually between different access points and network domains.”
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