| Patents for H04M 15 - Arrangements for metering, time-control or time-indication (14,957) |
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| 05/30/1995 | US5420914 System and method for real time carrier selection |
| 05/30/1995 | US5420910 Mehtod and apparatus for fraud control in cellular telephone systems utilizing RF signature comparison |
| 05/30/1995 | CA2110255A1 Telephone activity monitor |
| 05/23/1995 | US5418846 Call waiting indicating method and system |
| 05/23/1995 | CA2020574C Communication charge manageable digital communication unit and a method of managing communication charge |
| 05/23/1995 | CA2016226C Voice messaging method and apparatus for pay phone telephone systems |
| 05/18/1995 | DE4338452A1 Metering circuitry for collection of toll in respect of telephone conversation |
| 05/17/1995 | EP0653868A2 Resource access control system |
| 05/17/1995 | CN1102739A Method and apparatus for facilitating the making of collect calls |
| 05/17/1995 | CN1102738A Telecommunication user's fee automatic inquiring system |
| 05/10/1995 | EP0652664A1 Device for monitoring of a telephone connection of an office line with regards to external extraneous connections |
| 05/09/1995 | US5414755 System and method for passive voice verification in a telephone network |
| 05/03/1995 | CN1028339C Programme-controlled manual toll telephone switching system |
| 05/03/1995 | CA2134800A1 Method and apparatus for the billing of value-added communication calls |
| 05/02/1995 | US5412726 Telecommunication installation with secure remote loading of prepayment means and corresponding remote loading process |
| 05/02/1995 | CA2102714C Semi-automated operator assistance telecommunication calls |
| 04/27/1995 | WO1995011578A1 A method and an arrangement relating to telecommunications systems |
| 04/27/1995 | WO1995011576A1 An apparatus and method for credit based management of telecommunication activity |
| 04/25/1995 | US5410589 Telephone system adapted to report to customers telephone facility traffic data |
| 04/19/1995 | CN2195168Y Timing piece for telephone and electric appliances with self-power supply |
| 04/18/1995 | US5408524 Foreign exchange system |
| 04/18/1995 | US5408519 Telecommunications system having a local area network with concurrently processing nodes |
| 04/12/1995 | EP0648039A1 Process and circuit arrangement for inquiry of charge information in exchanges |
| 04/11/1995 | US5406620 Method of allocating international transit traffic among a plurality of carriers in a terminating country |
| 04/05/1995 | EP0647055A1 Cellular telephone billing management system |
| 04/05/1995 | EP0647052A1 Management system for charging of database queries in a telecommunications network |
| 03/30/1995 | DE4410058C1 Circuit arrangement for charge pulse filtering |
| 03/29/1995 | CN1100864A Access to capabilities of other telephone stations |
| 03/29/1995 | CN1100856A Routing multiple telephone calls using a common routing plan |
| 03/28/1995 | CA2007837C Method and apparatus for altering the access format of telephone calls |
| 03/22/1995 | EP0644705A2 Telecommunications switching |
| 03/22/1995 | CN2192994Y 计费电话机 Telephone billing |
| 03/21/1995 | US5400395 Telephone line selector and call accountant |
| 03/21/1995 | CA2054405C Method and apparatus for the billing of value-added communication calls |
| 03/16/1995 | DE4331432A1 Arrangement for calculating accrued telephone charges |
| 03/15/1995 | EP0643541A2 Personalized information service system |
| 03/15/1995 | EP0643520A2 System and method for passive voice verification in a telephone network |
| 03/14/1995 | CA2050400C Processing of telecommunications call billing data |
| 03/14/1995 | CA2050395C Automation of telephone operator assistance calls |
| 03/09/1995 | WO1995006998A1 Telephone billing method |
| 03/07/1995 | CA2043500C Method of selecting the most cost effective cellular service plan provided by cellular telephone resellers to multi-line customers |
| 03/02/1995 | WO1995006381A1 Method for accomplishing a connection |
| 03/02/1995 | WO1995005727A2 Device for counting and displaying pulses |
| 03/01/1995 | EP0641134A2 Method for routing of calls in a private virtual network and a service processor and a telephone exchange therefor |
| 02/28/1995 | US5393964 Telecommunications booth and method of use |
| 02/22/1995 | CN1099210A Telecommunications system with active atabase |
| 02/22/1995 | CN1027722C Toll ticketing record generation for billing of intersystem handoff calls in mobile telephone system |
| 02/21/1995 | US5392402 Broadband intelligent telecommunications network and method employing a resource system to support network services |
| 02/21/1995 | US5392344 For processing a telephone call in a telecommunications system |
| 02/21/1995 | US5392335 Arrangement for preventing perpetration of toll fraud through an adjunct processor |
| 02/15/1995 | EP0639018A2 Time sensitive messaging |
| 02/15/1995 | CN1098837A Billing system for radio communications |
| 02/08/1995 | EP0637884A1 System for testing the use registration function in a telecommunication system |
| 02/02/1995 | WO1995003662A1 Testing telecommunications equipment |
| 02/02/1995 | CA2167309A1 Testing telecommunications equipment |
| 01/26/1995 | WO1995002949A1 Tariffing and charging device for mobile telephony with electronic communication of the amount |
| 01/24/1995 | US5384831 System for providing personalized telephone calling features |
| 01/19/1995 | WO1995002298A1 Front end processor employing data over voice communication with smart telephones |
| 01/19/1995 | CA2166690A1 Front end processor employing data over voice communication with smart telephones |
| 01/18/1995 | EP0634877A2 System and method for communicating with travelers |
| 01/18/1995 | EP0634070A1 Automated telecommunication peripheral system |
| 01/18/1995 | CN1097537A Multifunctional controller for telephone |
| 01/16/1995 | CA2126266A1 System and method for communicating with travelers |
| 01/12/1995 | WO1995001707A1 Fraud control in cellular telephone systems |
| 01/12/1995 | WO1995001691A1 Telecommunications follow me services |
| 01/12/1995 | WO1995001689A1 Apparatus for use in completing telephone calls |
| 01/12/1995 | WO1995001602A1 Broadband intelligent telecommunications network and method employing a resource system to support network services |
| 01/11/1995 | CN2187357Y Telephone set with computer charges counter |
| 01/10/1995 | US5381467 Telephone call billing system |
| 01/10/1995 | US5381465 System for providing automatic voice messaging in a digital network environment |
| 01/10/1995 | CA2038585C Signal detecting circuit for detecting a signal specified in a designated frequency |
| 01/05/1995 | DE4422682A1 Prepaid card with integrated circuit and method for its control |
| 01/04/1995 | CN2186976Y Portable general telephone fee counter |
| 12/28/1994 | EP0631424A1 Method and apparatus allowing the verification of accounting fees |
| 12/21/1994 | EP0630162A2 Routing multiple telephone calls using a common routing plan |
| 12/19/1994 | CA2122117A1 Routing multiple telephone calls using a common routing plan |
| 12/14/1994 | EP0629072A1 Arrangement in a telephone system for controlling debiting of services |
| 12/13/1994 | US5373552 Tone Burst Generator |
| 12/08/1994 | WO1994028687A1 Group call in a cellular radio system |
| 12/08/1994 | WO1994028683A1 Communications apparatus |
| 12/08/1994 | WO1994028670A1 A method for indicating the charge of a call, and a subscriber station |
| 12/07/1994 | EP0627152A1 Facsimile arrangement. |
| 12/07/1994 | EP0627150A1 Third party charge |
| 12/07/1994 | CN1026939C Improvements in mobile pay telephone system |
| 12/07/1994 | CN1026938C Separate payment-counting method for preventing multi-party from using one extension |
| 11/30/1994 | EP0626774A1 Method and apparatus for facilitating the making of collect calls |
| 11/29/1994 | US5369680 Pro-active billing and routing test set |
| 11/24/1994 | WO1994027397A1 Computer-to-telephone interface |
| 11/23/1994 | CN2183642Y Number-locking fare-counting device for long-distance telephone |
| 11/23/1994 | CN1095535A Billing system for radio communications |
| 11/10/1994 | WO1994026059A1 Method and system for secure delivery of telephonic information |
| 11/10/1994 | DE4338175C1 Device for monitoring a telephone connection of an exchange line for external extraneous connections |
| 11/09/1994 | EP0624023A2 Device for seizing upon charge units of telephone calls for controlling the charge statement |
| 11/09/1994 | EP0623267A1 Modular subscriber apparatus |
| 11/09/1994 | CN1094882A Wireless digital personal communications system having voice/data/image two-way calling and intercell hand-off provided through distributed logic resident in portable handset terminals radio cell..... |
| 11/02/1994 | EP0622941A2 Public telephone system |
| 11/02/1994 | EP0622936A1 Access to capabilities of other telephone stations |
| 11/02/1994 | CN2181788Y Intelligent message accounting device for single telephone |
| 11/02/1994 | CN2181787Y Intelligent message accounting telephone |
| 11/01/1994 | US5361297 Method and apparatus for providing answer supervision and an autonomous pay telephone incorporating the same |