Third party call control of all phones

• US 20050180457A1
• Filed: 02/05/2004
• Published: 08/18/2005
• Est. Priority Date: 02/05/2004
• Status: Active Grant

• Current Assignee: AT&T, Inc.
• Original Assignee: AT&T, Inc.
• Inventors: Fisher, Steve, Goldman, Shelley B., Kowalski, Thaddeus, Foladare, Mark J., Chen, Yihsiu, Glazer, Samuel
• Granted Patent: US 7,715,421 B2
• Time in Patent Office: Days
• US Class Current: 370/466
• CPC Class Codes: H04M 3/42153 by subscriber
• CPC Class Codes: H04M 3/42161 via computer interface
• CPC Class Codes: H04M 3/42221 Conversation recording systems at the subscriber's set H04M1/656
• CPC Class Codes: H04M 3/428 Arrangements for placing incoming calls on hold
• CPC Class Codes: H04M 3/53333 Message receiving aspects
• CPC Class Codes: H04M 3/54 Arrangements for diverting calls for one subscriber to another predetermined subscriber based on the calling party profile H04M3/42059; based on location H04M3/42348; based on presence H04M3/42365; to voice mail H04M3/53308
• CPC Class Codes: H04M 3/56 Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities video conference systems H04N7/15
• CPC Class Codes: H04M 7/00 Arrangements for interconnection between switching centres

Abstract

A system and method for call control wherein a call received at a communication device may be controlled through an IP device connected to an IP network over which at least a portion of the call was routed. The IP device is connected to the IP network via a control gateway.

Claims

1. A method for call control, comprising:

receiving a call at a communications device, the call being routed over at least one IP network;

controlling the call using an IP device connected to the IP network via a control gateway.

2. The method of claim 1, wherein the step of controlling the call further comprises the step of controlling the call using an SIP protocol.

3. The method of claim 1, wherein the step of controlling the call further comprises the step controlling the call using a protocol having a call control portion and a voice control portion.

4. The method of claim 1, wherein the steps of controlling further comprise providing a service application under the control of the IP device.

5. A system for call control, comprising:

a control gateway providing control access to an IP network;

at least one IP device connected to the control gateway, said IP device configured to control a call.

6. The system of claim 5, wherein the IP device controls the call using an SIP protocol.

7. The system of claim 5, wherein the IP device controls the call using a protocol having a call control portion and a voice control portion.

8. The system of claim 5, wherein the IP device provides a service application for controlling the call.

9. The system of claim 5, further including a communications device for receiving the call.