US 11,973,902 B2 · System for cloud-enabling a premise PBX

Abstract

In an example embodiment, a solution that allows a PBX to utilize bridged mobile or desktop applications for collaboration and softphone use is provided. The solution works in conjunction with existing hardwired PBX devices without requiring additional hardware such as an edge router to be integrated with the PBX hardware. Incoming calls are able to ring a user's hardwired device, such as a desk phone at an office, while simultaneously ring mobile device or desktop applications (apps). App users can place outbound PSTN calls and dial PBX extensions just as if they were using their hardwired device. Additionally, PSTN services are utilized from the existing PBX rather than bypassing the existing PBX, which makes tracking and billing more straightforward. A Session Initiation Protocol (SIP) tie trunk is used between the existing PBX and a software bridge controller.

Claims20

Dependent claims

A system comprising:

a session border controller configured to establish a session initiation protocol (SIP) tie trunk, via the Internet, to a first private branch exchange (PBX), the first PBX having a plurality of communications devices directly connected in use via physical cabling but lacking an ability to have any communications devices assigned to extensions be directly connected to the first PBX via wireless or Internet connections;
and
a second PBX having the ability to have communications devices directly connected in use to the second PBX via wireless or Internet connections, the second PBX configured to register a first device of a user under a first extension, wherein the user has a second device registered under a second extension with the first PBX, the second PBX further configured to maintain a first data structure indicating that the first device is registered to the first extension and maintain a second data structure explicitly identifying the first PBX and the SIP tie trunk.

A non-transitory machine-readable storage medium comprising instructions, which when implemented by one or more machines, cause the one or more machines to perform operations for bridging a first private branch exchange (PBX) and a second PBX, the operations comprising:

establishing a session initiation protocol (SIP) tie trunk, via the Internet, to the first PBX, from a session border controller connected to the second PBX, the first PBX having a plurality of communications devices directly connected via physical cabling but lacking an ability to have any communications devices assigned to extensions be directly connected to the first PBX via wireless or Internet connections, the second PBX having the ability to have communications devices directly connected to the second PBX via wireless or Internet connections;
registering, using the second PBX, a first device of a user under a first extension, wherein the user has a second device registered under a second extension with the first PBX;
and
maintaining a first data structure indicating that the first device is registered to the first extension and maintain a second data structure indicating that the first extension is associated with the first PBX via the SIP tie trunk.

1 more element

Dependencies are inferred from the claim text.

System for cloud-enabling a premise PBX

Life of this patent

System for cloud-enabling a premise PBX

Life of this patent

Abstract

Claims20