СПИСОК патентов США - подгруппа МПК16 H04M15/34
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| № п/п | Номер патента | Название патента | |||
2016 | |||||
| 1 | 9432519 | Identifying and processing of unreturned calls in IPBX | |||
| 2 | 9332130 | Universal SMDR buffer | |||
2015 | |||||
| 3 | 9154639 | Rule-based mobile dialing based on a change of event | |||
2005 | |||||
| 4 | 6847709 | Private branch exchange apparatus and accounting process method | |||
2003 | |||||
| 5 | 6646990 | Distributed technique for allocating calls | |||
| 6 | 6621897 | Multichannel dynamic telephone link and method of operating it | |||
| 7 | 6577965 | Linear multichannel detection system for billing by spectrum convolution | |||
2001 | |||||
| 8 | 6320944 | Intelligent configuration server | |||
| 9 | 6201956 | Voice mail based billing delivery system | |||
1999 | |||||
| 10 | 5940482 | Technique for detecting call metering in key telephone system | |||
| 11 | 5926530 | Intelligent configuration server | |||
1998 | |||||
| 12 | 5842174 | Telephone billing analyzer | |||
| 13 | 5742669 | Telephone for storing particulars of outgoing calls and/or special service codes | |||
| 14 | 5734705 | Intelligent configuration server for PBX | |||
1997 | |||||
| 15 | 5638429 | Charge code entry in preprogrammed dialing | |||
1996 | |||||
| 16 | 5526423 | Communication apparatus and method with service execution according to dial number | |||
| 17 | 5521968 | Call charging method in radio telephone system and radio telephone system employing the same method | |||
| 18 | 5515425 | Telecommunications system with active database | |||
1995 | |||||
| 19 | 5473630 | Telecommunications rate data base accessing | |||
| 20 | 5452351 | Electronic private branch exchange having an LCR function and a method of accessing a particular common carrier in that exchange | |||
| 21 | 5430794 | Call charge management device in private branch exchange system | |||
| 22 | 5425083 | Call charging method in radio telephone system and radio telephone system employing the same method | |||
| 23 | 5408524 | Answer supervision over pulse code modulated carrier system and method therefore | |||
1994 | |||||
| 24 | 5291547 | Call-disposition analyzer | |||
1991 | |||||
| 25 | 5003585 | System for the payment of telephone calls in a private self-switching unit | |||
| 26 | 4988209 | Telephone agent management information system | |||
1990 | |||||
| 27 | 4926465 | Method for indicating a communicating duration of an office line in a keyphone system | |||
1988 | |||||
| 28 | 4791665 | Inter-exchange carrier access selection feature for a PBX user | |||
| 29 | 4750200 | Call meter signal receiver for subscriber's private metering of telephone system | |||
1987 | |||||
| 30 | 4707853 | Electronic private branch exchanges | |||
| 31 | 4656656 | Call-accounting system | |||
1985 | |||||
| 32 | 4517411 | Method and apparatus for private branch exchange billing | |||
1984 | |||||
| 33 | 4472600 | Charge time start control for interconnect PABX | |||
1981 | |||||
| 34 | 4275272 | Remote time and charge system | |||
| 35 | 4255621 | Billing interface circuit | |||
1979 | |||||
| 36 | 4159402 | Means for identifying subscriber lines | |||
1978 | |||||
| 37 | 4090034 | Usage-sensitive billing arrangement for private branch exchange subscribers | |||
1977 | |||||
| 38 | 4027104 | Arrangement for automatically generating alternate telephone station identification codes | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||