Assignee
AASTRA INTECOM INC
US·3 granted patents·263 citations·filing 2001–2006
Technology mixH04M3
Top patents by PatentIndex Score
3 records- 0193US7106850B2Customer communication service systemAASTRA INTECOM INC·Filed 2001·Granted Sep 12, 2006·177 cites·8 claims
- 0292US7428303B2Customer communication service systemAASTRA INTECOM INC·Filed 2006·Granted Sep 23, 2008·53 cites·32 claims
- 0379US7043006B1Distributed call progress tone detection system and method of operation thereofAASTRA INTECOM INC·Filed 2002·Granted May 9, 2006·33 cites·48 claims
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