Data network based telephone messaging system
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United States of America Patent
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Jul 17, 2007
Grant Date -
N/A
app pub date -
Nov 4, 2003
filing date -
Mar 26, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sending device exchanges handshake signals with a recording device prior to the delivery of voice messages. The sending and recording device are remotely connected using a data network. In one embodiment of the present invention, the data network provides different levels of quality of services (QOS). The voice message can be sent using a low QOS level that permits long delays between voice-based data packets. On the other hand, the handshaking negotiation (e.g., the status request and acknowledgment packets) is carried out using a higher QOS level that permits shorter delays. By knowing the status of the recording device before recording, a user will not waste time to record the voice message.
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