Method and system for converging call
AssigneeZte Corporation
InventorsYang Gao, Lingjiang Mu
Life of this patent
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Abstract
A method for converging a call is disclosed. A non IP-Multimedia-Subsystem (IMS) network is provided with a non IMS network interworking device, by which the non IMS network is converged with a Voice over Internet Protocol (VoIP) network. The method further includes: when the non IMS network determines that a callee receiving a call request is a convergence call user, the non IMS network forwards the call request to the VoIP network; and the VoIP network initiates a call to the callee. A system for converging a call which implements the aforementioned method is further disclosed. The disclosure takes full advantage of the service characteristic of the convergence network, so as to supply users with convenient service access implementation and reduce the service charge.
Claims17
A method for converging a call, wherein a non IP (Internet Protocol)-Multimedia-Subsystem (IMS) network is provided with a non-IMS network interworking device, by which the non-IMS network is converged with a Voice over Internet Protocol (VoIP) network, the method comprising:
- when the non-IMS network determines that a callee receiving a call request is a convergence call user, forwarding, by the non-IMS network, the call request to the VoIP network;
- and
- initiating, by the VoIP network, a call to the callee,
- wherein the forwarding the call request to the VoIP network comprises:
- converting, by the non-IMS network, a forwarding number of the callee into a roaming number of the VoIP network according to a forwarding service subscribed with a non-IMS network number of the callee, and
- forwarding the call request to the VoIP network according to the roaming number of the VoIP network,
- wherein the roaming number of the VoIP network is a unified access code corresponding to a Public Service Identity (PSI) of the convergence call.
A system for converging a call, in which a non-IP (Internet Protocol)-Multimedia-Subsystem (IMS) network is provided with a non-IMS network interworking device, by which the non-IMS network is converged with a Voice over Internet Protocol (VoIP) network;
- wherein
- the non-IMS network is configured to, when the non-IMS network determines that a callee receiving a call request is a convergence call user, forward the call request to the VoIP network;
- and
- the VoIP network is configured to initiate a call to the callee,
- wherein the non-IMS network is further configured to:
- convert a forwarding number of the callee into the roaming number of the VoIP network according to a forwarding service subscribed with a non-IMS network number of the callee, and
- forward the call request to the VoIP network according to the roaming number of the VoIP network,
- wherein the roaming number of the VoIP network is a unified access code corresponding to a Public Service Identity (PSI) of the convergence call.
Dependencies are inferred from the claim text.