Transporting telephony signaling over a data network
First Claim
1. Apparatus for use in a telephony system, comprising:
- a digital interface for connection with a stimulus telephone;
a packet interface for communicating with a packet-based network; and
a controller to receive stimulus control information according to a stimulus language from the digital interface and to encapsulate the stimulus control information into one or more packets for transmission over the packet-based network through the packet interface, wherein the stimulus control information is encapsulated into the one or more packets without providing messaging according to a language different from the stimulus language in the one or more packets.
9 Assignments
0 Petitions
Accused Products
Abstract
A telephony system includes a packet-based data network that is coupled to various network elements. The network elements include interface devices that are coupled to corresponding stimulus devices. The stimulus devices may include stimulus telephones or a telephone exchange system. Each interface device receives a stimulus message from a corresponding stimulus device. The stimulus message is encapsulated by the interface device into a packet, such as an Internet Protocol (IP) packet. The packet is communicated across the data network to the target device, which may be another interface device. At the receiving end, the interface device receives the packet, decapsulates the packet to retrieve the stimulus message, and sends the stimulus message to a corresponding stimulus device.
-
Citations
45 Claims
-
1. Apparatus for use in a telephony system, comprising:
-
a digital interface for connection with a stimulus telephone; a packet interface for communicating with a packet-based network; and a controller to receive stimulus control information according to a stimulus language from the digital interface and to encapsulate the stimulus control information into one or more packets for transmission over the packet-based network through the packet interface, wherein the stimulus control information is encapsulated into the one or more packets without providing messaging according to a language different from the stimulus language in the one or more packets. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
-
-
22. Apparatus for use in a telephony system, comprising:
-
a digital interface for connection with a stimulus telephone; a packet interface for communicating with a packet-based network; and a controller to receive stimulus control information from the digital interface and to encapsulate the stimulus control information into one or more packets for transmission over the packet-based network through the packet interface, wherein the controller also scrambles the stimulus control information before encapsulation.
-
-
23. A method for use in a telephony system, comprising:
-
communicating stimulus control information with a stimulus telephone through a first interface connected to the stimulus telephone, and packet information with a packet-based network through a packet interface; encapsulating stimulus control information according to a stimulus language received from the first interface into at least one packet, wherein the stimulus control information is encapsulated into the at least one packet without providing any messaging according to a language different from the stimulus language in the at least one packet; and transmitting the encapsulated stimulus control information in the at least one packet from the packet interface over the packet-based network. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
-
-
34. An article including one or more machine-readable storage media containing instructions for call control in a telephony system, the instructions when executed causing a device to:
-
receive stimulus control information according to a stimulus language from a first interface connected to a stimulus telephone; encapsulate the stimulus control information into one or more UDP/IP packets, wherein the stimulus control information is encapsulated into the one or more UDP/IP packets without providing functional messaging according to a language different from the stimulus language in the one or more UDP/IP packets; and communicate the one or more UDP/IP packets to a packet-based data network. - View Dependent Claims (35, 36, 37)
-
-
38. An article including one or more machine-readable storage media containing instructions for call control in a telephony system, the instructions when executed causing a device to:
-
receive at least one packet containing a stimulus message according to a first language, wherein the received at least one packet does not contain messaging according to another telephony language different from the first language; decapsulate the at least one packet to extract the stimulus message according to the first language; and send the stimulus message according to the first language to a first interface connected to a stimulus telephone. - View Dependent Claims (39, 40, 41)
-
-
42. Apparatus for use in a telephony system, comprising:
-
a digital interface for connection with a stimulus telephone; a packet interface for communicating with a packet-based network; a controller to receive stimulus control information from the digital interface and to encapsulate the stimulus control information into one or more packets for transmission over the packet-based network through the packet interface; and a receiver to receive one or more inbound packets containing inbound stimulus control information, the controller to decapsulate the one or more inbound packets to extract the inbound stimulus control information, wherein each of the one or more inbound packets contains a User Datagram Protocol (UDP) port number, the controller to determine from the UDP port number whether the corresponding inbound packet contains voice data or stimulus control information.
-
-
43. A method for use in a telephony system, comprising:
-
communicating stimulus control information with a stimulus telephone through a first interface connected to the stimulus telephone, and packet information with a packet-based network through a packet interface; encapsulating stimulus control information received from the first interface; and transmitting the encapsulated stimulus control information as at least one packet to the packet interface; decapsulating one or more packets received from the packet interface and containing stimulus control information; and transmitting the stimulus control information of the decapsulated one or more packets to the first interface, wherein each of the received one or more packets contains a User Datagram Protocol (UDP) port number, the method further comprising determining from the UDP port number whether the corresponding received packet contains voice data or stimulus control information.
-
-
44. An apparatus for use in a telephony system, comprising
means for receiving a stimulus message through a first interface connected to a stimulus telephone; -
means for encapsulating the stimulus message into at least one packet; means for transmitting the at least one packet to a packet-based network; and means for scrambling the stimulus message before encapsulating. - View Dependent Claims (45)
-
Specification