Method, apparatus and system for client-based distributed PBX for enterprise telephony

• US 20070263831A1
• Filed: 03/31/2006
• Published: 11/15/2007
• Est. Priority Date: 03/31/2006
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Miao, Kai
• Granted Patent: US 7,751,378 B2
• Time in Patent Office: Days
• US Class Current: 379/219
• CPC Class Codes: H04M 3/42314 in private branch exchanges
• CPC Class Codes: H04M 7/006 Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP) , including next generation networks with a packet-switched transport layer H04L65/00 takes precedence; aspects not specific to the type of network H04M3/00; special services in those networks H04M3/42

Abstract

A device includes a processor and a memory connected to the processor. The processor operates to execute a public branch exchange (PBX) processes in the memory that interact together to provide a distributed PBX platform.

Claims

1. An apparatus comprising:

a processor;

a memory coupled to the processor, the processor operates to execute a plurality of public branch exchange (PBX) processes in the memory that interact together to provide a distributed PBX platform.

2. The apparatus of claim 1, the plurality of PBX processes include:

a plurality of session initiation protocol (SIP) processes;

a plurality of application processes;

a plurality of media processing processes;

a local media interface; and

a signaling interface.

3. The apparatus of claim 2, the plurality of SIP processes comprising:

an SIP user agent process;

a plurality of SIP server processes;

an SIP proxy process;

an SIP redirect process; and

an SIP registrar process.

4. The apparatus of claim 2, the plurality of application processes comprising:

a conferencing control process; and

a call agent/interactive voice response (IVR) process.

5. The apparatus of claim 2, wherein the plurality of media processes includes:

an audio/video play process;

a mixing process;

a record process;

an encoding process;

a decoding process;

an encrypting process; and

a decrypting process.

6. The apparatus of claim 1, further comprising:

one of a universal serial bus (USB) device, a headset device and an SIP telephone device to interact with the plurality of PBX processes.

7. The apparatus of claim 2, further comprising:

a call announcement process;

a presence process; and

a speech services process.

8. A machine-accessible medium containing instructions that, when executed, cause a machine to:

perform a plurality of interactive public branch exchange (PBX) processes, the plurality of PBX processes including;

a plurality of session initiation protocol (SIP) processes;

a plurality of application processes; and

an interface with signaling process.

9. The machine accessible medium of claim 8, further containing instructions that, when executed, cause the machine to:

perform media processing processes; and

interface with local media;

10. The machine accessible medium of claim 8, wherein the SIP processes further cause the machine to:

perform an SIP user agent process;

perform a plurality of SIP server processes;

perform an SIP proxy process;

perform an SIP redirect process; and

perform an SIP registrar process.

11. The machine accessible medium of claim 8, wherein the application processes further cause the machine to:

perform a conferencing control process; and

perform a call agent/interactive voice response (UVR) process.

12. The machine accessible medium of claim 8, wherein the plurality of media processes further cause the machine to:

perform an audio/video play process;

perform a record process; and

perform a mixing process.

13. The machine accessible medium of claim 8, wherein the plurality of media processes further cause the machine to:

perform an encoding process;

perform a decoding process;

perform an encrypting process; and

perform a decrypting process.

14. The machine accessible medium of claim 8, further including instructions to cause the machine to:

interface with one of a universal serial bus (USB) device, a headset device and an SIP telephone device to interact with the plurality of PBX processes.

15. The machine accessible medium of claim 8, further including instructions to cause the machine to:

perform a call announcement process;

perform a presence process; and

perform a speech services process.

16. A system comprising:

a network comprising a plurality of devices coupled to the network, the devices operate to communicate with one another, each device operates as a distributed public branch exchange (PBX) device, each device including;

a processor;

a memory coupled to the processor;

a display coupled to the processor;

where the processor to execute a plurality of session initiation protocol (SIP) processes and a plurality of application processes.

17. The system of claim 16, wherein the plurality of SIP processes interact with each other and comprise:

an SIP user agent process;

a plurality of SIP server processes;

an SIP proxy process;

an SIP redirect process; and

an SIP registrar process.

18. The system of claim 16, further comprising:

A PBX call announcement process;

a PBX presence process;

a speech services process;

a plurality of media processing processes;

a local media interface; and

a call signaling interface.

19. The system of claim 16, wherein the plurality of application processes comprise:

a call conferencing control process; and

a call agent/interactive voice response (IVR) process.

20. The system of claim 16, wherein the plurality of media processes includes:

an audio/video play process to provide sound to a speaker and video to the display; and

a record process to record audio/video.

21. The system of claim 20, wherein the plurality of media processes further includes:

an encoding process to encode media streams,

a decoding process to decode media streams,

an encrypting process to encrypt media streams, and

a decrypting process to decrypt media streams.

22. The system of claim 16, further comprising:

one of a universal serial bus (USB) device, a headset device and an SIP telephone device to interact with a device during a call.

23. A method comprising:

performing a plurality of interactive public branch exchange (PBX) processes in a first platform, the performing the plurality of PBX processes including;

initiating a PBX call with a session initiation protocol (SIP); and

signaling a second platform that includes the plurality of PBX processes, wherein the first and second platform include distributed PBX processes and perform stand-alone direct PBX communication with each other over a network.

24. The method of claim 23, further comprising:

processing media streams in one of the first and second platform; and

interfacing with local media on one of the first and second platform.

25. The method of claim 23, the initiating a PBX call further includes:

performing an SIP user agent process;

performing a plurality of SIP server processes;

performing an SIP proxy process;

performing an SIP redirect process; and

performing an SIP registrar process.

26. The method of claim 23, further comprising:

controlling a conference; and

providing a call agent/interactive voice response (IVR).

27. The method of claim 24, further comprising:

playing audio/video streams on one of the first platform and the second platform;

recording audio/video streams on one of the first platform and the second platform; and

mixing media streams on one of the first platform and the second platform.

28. The method of claim 23, further comprising:

encoding media streams;

decoding media streams;

encrypting media streams; and

decrypting media streams.

29. The method of claim 23, further comprising:

interfacing with one of a universal serial bus (USB) device, a headset device and an SIP telephone device to interact with the plurality of PBX processes.

30. The method of claim 23, further comprising:

announcing a call on one of the first platform and the second platform;

determining presence on one of the first platform and the second platform; and

servicing speech on one of the first platform and the second platform.