Invention Grant
US09137646B2 Method and framework to detect service users in an insufficient wireless radio coverage network and to improve a service delivery experience by guaranteed presence 有权
在无线无线电覆盖网络不足的情况下检测服务用户的方法和框架,并通过有保证的存在来改进服务提供体验

Method and framework to detect service users in an insufficient wireless radio coverage network and to improve a service delivery experience by guaranteed presence
Abstract:
A system and method for providing advanced voice services in a wireless communications network. The system includes at least one server that exchanges messages with mobile units, in order to indicate that a user is neither online or offline, but is temporarily unreachable or unavailable. The user may be temporarily unreachable or unavailable due to connectivity issues with the user's mobile unit in the wireless communications network. Presence information for the user is distributed from the server to watchers, wherein the presence information indicates that the user is offline when the user is temporarily unreachable or unavailable. Various techniques may be implemented to determine how long the user's mobile unit must remain connected to the wireless communications network, before the presence information indicates that the user is online.
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