是真的吗？
三是全国铁路客服电话统一为幺二三零六。[{'character': '三', 'pinyin': 'san1', 'highest pitch': 9.82, 'lowest pitch': 9.38, 'duration': 0.29, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 9.51, 'lowest pitch': 7.26, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '全', 'pinyin': 'qvan2', 'highest pitch': 9.42, 'lowest pitch': 7.26, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '国', 'pinyin': 'guo2', 'highest pitch': 10.78, 'lowest pitch': 9.15, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '铁', 'pinyin': 'tie3', 'highest pitch': 9.71, 'lowest pitch': 5.72, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '路', 'pinyin': 'lu4', 'highest pitch': 8.0, 'lowest pitch': 5.72, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '客', 'pinyin': 'ke4', 'highest pitch': 8.95, 'lowest pitch': 7.37, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '服', 'pinyin': 'fu2', 'highest pitch': 7.37, 'lowest pitch': 7.02, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '电', 'pinyin': 'dian4', 'highest pitch': 8.39, 'lowest pitch': 7.11, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '话', 'pinyin': 'hua4', 'highest pitch': 7.87, 'lowest pitch': 6.46, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '统', 'pinyin': 'tong3', 'highest pitch': 6.88, 'lowest pitch': 4.38, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '一', 'pinyin': 'i1', 'highest pitch': 8.24, 'lowest pitch': 4.77, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '为', 'pinyin': 'uei2', 'highest pitch': 8.42, 'lowest pitch': 6.56, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.05}, {'character': '幺', 'pinyin': 'iao1', 'highest pitch': 9.77, 'lowest pitch': 9.22, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '二', 'pinyin': 'er4', 'highest pitch': 9.77, 'lowest pitch': 7.69, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '三', 'pinyin': 'san1', 'highest pitch': 9.82, 'lowest pitch': 9.22, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '零', 'pinyin': 'ling2', 'highest pitch': 9.22, 'lowest pitch': 6.97, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '六', 'pinyin': 'liou4', 'highest pitch': 9.34, 'lowest pitch': 6.61, 'duration': 0.29, 'prosody hierarchy': '#4'}]