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