Invention Grant
US08213440B2 Methods, systems, and computer program products for using a location routing number based query and response mechanism to route calls to IP multimedia subsystem (IMS) subscribers 有权
用于使用基于位置路由号码的查询和响应机制将呼叫路由到IP多媒体子系统(IMS)用户的方法,系统和计算机程序产品

Methods, systems, and computer program products for using a location routing number based query and response mechanism to route calls to IP multimedia subsystem (IMS) subscribers
Abstract:
Methods, systems, and computer program products for using an LRN based query and response mechanism (e.g., a switching office number portability processing system) to route calls to IP multimedia subsystem (IMS) subscribers are disclosed. According to one method, an LRN based response message including a communications service subscriber identifier is received. An IMS gateway LRN associated with the communications service subscriber identifier may be determined. The IMS gateway LRN associated with the communications service subscriber identifier may be inserted into the LRN based response message and routing the message.
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