Communication system and method for interleaving or transmission of telephone rings and data
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United States of America Patent
Stats
-
Nov 20, 2001
Grant Date -
N/A
app pub date -
Mar 16, 1998
filing date -
Mar 18, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A telephone communication system is implemented to enable data communication and ring signaling to coexist on a subscriber loop. The communication system transmits data during the silence intervals of a ringing cadence and withholds the transmission of data during the occurrence of a ring signal. To ensure the transmission of reliable data, the communications system allows ring signals to occur and retransmits any interrupted data during the silence intervals between the ring signals. In another embodiment, the transmission of reliable data is ensured by delaying the ring signals until the data currently being transmitted is successfully and reliably received. Accordingly, in either embodiment, the reliability of data communication during the occurrence of a ringing cadence is preserved, and, therefore, data communication is allowed to coexist with ring signaling over a subscriber loop.
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