Methods, devices and software for redundant transmission of voice data over a packet network connection established according to an unreliable communication protocol

A first device to transmit voice data in a network, comprising:

• a modem for establishing a connection from the first device to a second device through a packet switched network using a packet switched network communications protocol;
• a processor to:
• transmit, from the device, the voice data in at least one original packet to the second device through the connection;
• determine a replication factor at the first device, the determined replication factor is a number of replication packets of the at least one original packet to be created;
• generate replication packets for the at least one original packet, by the first device, corresponding to the determined replication factor;
• and
• transmit, from the first device, the generated replication packets to the second device, each of the generated replication packets includes an index of the at least one original packet, the determined replication factor, and a redundancy index, wherein the index of the at least one original packet indicates a sequence of the at least one original packet in a voice data stream, and the redundancy index indicates a redundancy sequence number of the each of the generated replication packets that includes the voice data.

An article of computer-readable storage medium containing instructions, that when executed by a computer for transmitting voice data in a network, cause the computer to:

• establish a connection between a first device and a second device through a packet switched network using a packet switched network communications protocol;
• transmit, from the first device, the voice data in at least one original packet to the second device through the connection;
• determine a replication factor at the first device, the determined replication factor is a number of replication packets of the at least one original packet to be created;
• generating replication packets for the at least one original packet, by the first device, corresponding to the determined replication factor;
• and
• transmitting, from the first device, the generated replication packets to the second device, each of the generated replication packets includes an index of the at least one original packet, the determined replication factor, and a redundancy index, wherein the index of the at least one original packet indicates a sequence of the at least one original packet in a voice data stream, and the redundancy index indicates a redundancy sequence number of the each of the generated replication packets that includes the voice data.

A first device to transmit voice data in a network, comprising:

• means for establishing a connection between the first device and a second device through a packet switched network using a packet switched network communications protocol;
• means for transmitting, from the first device, the voice data in at least one original packet to the second device through the connection;
• means for determining a replication factor, the determined replication factor is a number of replication packets of the at least one original packet to be created;
• means for generating replication packets for the at least one original packet, by the first device, corresponding to the determined replication factor;
• and
• means for transmitting, from the first device, the generated replication packets to the second device, each of the generated replication packets includes an index of the at least one original packet, the determined replication factor, and a redundancy index, wherein the index of the at least one original packet indicates a sequence of the at least one original packet in a voice data stream, and the redundancy index indicates a redundancy sequence number of the each of the generated replication packets that includes the voice data.