Network-based caller speech muting
Patent 6243454 Issued on June 5, 2001. Estimated Expiration Date: 
August 5, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 5, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesNormalization of calling party sound levels on a conference bridge Patent #: 5724416 InventorApplicationNo. 09/129492 filed on 08/05/1998US Classes:379/202.01, Conferencing370/260, Conferencing370/264, Using plural diverse channel communications with a dedicated signaling channel (i.e., ISDN)379/204.01Subscriber controlExaminersPrimary: Smith, CreightonAttorney, Agent or FirmInternational ClassesH04M 3/42 (20060101)H04M 3/40 (20060101) H04M 3/56 (20060101) AbstractA switch (26) in a telecommunications network (34) monitors a call placed by a calling party (12) to a called party (14) to detect the presence of prescribed condition, such as the entry by the caller of a self-muting signal, or an excessive level of background noise. Upon detecting the occurrence of the prescribed condition, the switch mutes the outgoing speech of the calling party while passing to the calling party the speech of the called party.Other References
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