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US 10,945,187 B2Granted
Call flow system and method for use in a VoIP telecommunication system
AssigneeTango Networks, Inc.
InventorsAndrew Silver, Lathan Lewis, Patricia Landgren
Life of this patent
Estimating the term…
Abstract
A method of establishing a communication link between a mobile terminal of a wireless network and a subscriber of a network, such as an enterprise network, and/or a residential network.
Claims20
A method, comprising:
- receiving, at a private branch exchange (PBX), an instruction to route a call to a phone associated with a mobile station;
- routing, by the PBX, the call to the phone and to an enterprise gateway server;
- routing, by the enterprise gateway server, the call to a carrier network;
- notifying, by the enterprise gateway server, the private branch exchange that the mobile station is ringing;
- and
- cancelling, by the private branch exchange, the call to the phone responsive to receiving an indication that the call was answered at the mobile station.
3 more elements
A method, comprising:
- receiving a call origination request at a carrier gateway server to route a call initiated from a user device destined for an end user device;
- querying, by the carrier gateway server, an enterprise gateway server to identify a policy used to route the call;
- receiving, by the enterprise gateway server, a request to route the call to the end user device based on the policy;
- routing the call to a media server;
- establishing a bearer path to support the call;
- and
- transmitting a ringing indication via the bearer path.
4 more elements
A system, comprising:
- a private branch exchange (PBX) configured to
- receive an instruction to route a call to a phone associated with a mobile station;
- route the call to the phone and to an enterprise gateway server;
- and
- an enterprise gateway server configured to
- route the call to a carrier network;
- notify the PBX that the mobile station is ringing;
- and
- wherein the PBX is configured to cancel the call to the phone responsive to an indication being received that the call was answered at the mobile station.
6 more elements
Dependencies are inferred from the claim text.