Patent application 13913287 (US), filed 2013-06-07
Publication number: US20130329609A1
Title: VOICE CONFERENCE UNIT SELECTION
CPC codes: H04M   3/56
H04M2203/5045
Office action: rejection, dated 2015-10-15
Rejection reasons: anticipation_102
obviousness_103
indefiniteness_112
Prior art cited: ref_id: 20100165889
ref_type: patent
severity: novelty_destroying
ref_id: 20100165889
ref_type: patent
severity: novelty_destroying
ref_id: 20030182001
ref_type: patent
severity: novelty_destroying
ref_id: 20080063173
ref_type: patent
severity: novelty_destroying
Final disposition: rejected (2015-10-15)