H04M 2203/2066

Call type detection of indication

Official title: Call type detection of indication, e.g. voice or fax, mobile of fixed, PSTN or IP

H04M2203/2066 (Call type detection of indication) appears on 330 US grants and 312 published applications in this corpus.

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Granted patents
330
Published applications
312
Assignees
171
Inventors
671
Latest grant
8 Sep 2026

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H04M 2203/2066: granted patents and published applications per publication year
YearGranted patentsPublished applications
198810
198900
199000
199100
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199300
199410
199510
199640
199710
199850
199960
200070
2001114
20021020
20031529
20041526
20051024
20061422
20071635
20082321
20091015
20102420
20112127
2012276
20132310
20142720
201587
2016104
2017139
201872
201990
202043
202134
202210
202302
202410
202502
202620

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