Invention Grant
US09191521B2 Method and system for providing call waiting features in a SIP-based network 有权
在基于SIP的网络中提供呼叫等待功能的方法和系统

Method and system for providing call waiting features in a SIP-based network
Abstract:
A method that includes receiving a first call request from a second user to a first user, establishing a first dialog between a network element and the first user, establishing a second dialog between the network element and the second user, establishing a third dialog between the network element and a third user in response to a second call request from a third user, establishing a fourth dialog between the network element and the first user as a result of establishing the third dialog, waiting for a response from the first user in the fourth dialog and receiving one or more indications of actions from the first user to manage the disposition of the second call request.
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