Appeal No. 2004-1822
Application No. 09/550,863
5. An echo plug apparatus for use with a first wireless
telephone having a first hands-free jack and a second wireless
telephone having a second hands-free jack, the echo plug
apparatus comprising:
a first pin that is physically compatible with the first
hands-free jack of the first wireless telephone and that is
configured with a speaker connection;
a second pin that is physically compatible with the second
hands-free jack of the second wireless telephone and that is
configured with a microphone connection; and
a circuit configured to couple the speaker connection to the
microphone connection.
8. A method of operating an echo plug for use with a
wireless telephone having a hands-free jack, the method
comprising:
receiving a signal from a speaker connection of the hands-
free jack of the wireless telephone; and
transferring the signal from the speaker connection to a
microphone connection of the hands-free jack of the wireless
telephone.
12. A method of operating an echo plug for use with a first
wireless telephone having a first hands-free jack and a second
wireless telephone having a second hands-free jack, the method
comprising:
receiving a signal from a speaker connection of the first
hands-free jack of the first wireless telephone; and
transferring the signal from the speaker connection to a
microphone connection of the second hands-free jack of the second
wireless telephone.
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