DATA/CIRCUIT CHANNEL HANDOFF FOR IP TELEPHONY NETWORK
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United States of America Patent
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Issued Date -
Jun 9, 2016
app pub date -
Dec 9, 2014
filing date -
Dec 9, 2014
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Abandoned
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Abstract
A method of operating an internet-based telephony system comprises establishing a communication between a first telephony device and a second telephony device through the internet-based telephony system. The communication at least initially comprises a first leg of the communication and a second leg of the communication, with the first leg of the communication existing between the first telephony device and the internet-based telephony system and the second leg of the communication existing between the second telephony device and the internet-based telephony system. The method further comprises receiving a connection-request message from the first telephony device; and, as a result thereof at least partially replacing a replaceable leg with a replacement leg having a different channel type than the replaceable leg. The replaceable leg is one of the first leg of the communication and the second leg of the communication, and the different channel type is either a data channel or a circuit channel.
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