State-based management of messaging system jitter buffers

Details State-based management of messaging system jitter buffers State-based management of messaging system jitter buffers

H - Electricity

04

L

H04L 12/56 (2006.01) H04L 12/66 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2710132

Buffering is made more efficient by resizing a jitter buffer based, for example, on a user's location within a TUI. To illustrate how this might be implemented in a TUI- based system, assume that two jitter buffer sizes are available: a larger one for voice and a smaller one for DTMF. Assume that the ability to select the buffer size is software- controllable. By virtue of the TUI structure, the initial state for a communication session could be a buffer size appropriate for DTMF. Since the messaging system may provide an audible beep whenever it's appropriate for a user to speak, the same sub-routine within the TUI code that triggers the beep could also command the buffer management mechanism instructing it to size the buffer for voice. Any subsequent DTMF entry or other event indicating that voice input has been terminated could cause the buffer to resize appropriately for DTMF.

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