| Patents for H04M 17 - Prepayment telephone systems (5,258) |
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| 03/03/2015 | US8967464 System and method for electronic prepaid account replenishment |
| 02/24/2015 | US8964954 Method and apparatus of re-rating for prepaid users |
| 02/12/2015 | US20150044990 Methods and systems for top-up |
| 01/27/2015 | US8942700 System and method operable to enable shortest connection route |
| 01/21/2015 | CN104301571A 一种基于客户数据库开发的充值缴费系统 A prepaid customer database development based payment system |
| 01/20/2015 | US8937883 Communication system, communication control device, communication method, and mobile device |
| 01/13/2015 | US8934614 Systems and methods for dynamic pay for performance advertisements |
| 01/07/2015 | CN104270544A 一种多网跨区充值缴费方法 A multi-network spanned recharge payment methods |
| 01/06/2015 | US8930279 System and method for prepaid account replenishment |
| 01/06/2015 | US8925827 Amplifying radio frequency signals |
| 12/31/2014 | CN101984650B Ivpn预付费业务的计费方法和系统 Ivpn prepaid billing methods and systems business |
| 12/30/2014 | US8924217 Communication converter for converting audio information/textual information to corresponding textual information/audio information |
| 12/30/2014 | US8923165 Distributed wireless online access system |
| 12/23/2014 | US8918077 Methods for providing overdraft protection for post-paid communication service plans |
| 12/23/2014 | US8915447 Amplifying radio frequency signals |
| 12/16/2014 | US8913988 Handling insufficient account balance of subscribers |
| 12/16/2014 | US8913724 System and method for automatic assignment of local phone number to long distance prepaid account |
| 12/09/2014 | US8909224 Connecting device via multiple carriers |
| 12/09/2014 | US8908842 Multi-functional general purpose transceivers and devices |
| 12/04/2014 | US20140357225 Prepaid Short Message Services Revenue Capture |
| 11/18/2014 | US8892662 Call completion via instant communications client |
| 11/11/2014 | US8885799 Providing of presence information to a telephony services system |
| 11/04/2014 | US8880401 Communication converter for converting audio information/textual information to corresponding textual information/audio information |
| 10/28/2014 | US8874470 Method of creating incentives for establishing hotspot locations |
| 10/28/2014 | US8874073 System and method for adjusting the amount of data bandwidth provided to a mobile device |
| 10/23/2014 | US20140314221 System, method and apparatus for placing a telephone call |
| 10/21/2014 | US8867713 Systems and methods for personal identification number distribution and delivery |
| 10/16/2014 | US20140307537 Method of communication between ims nodes |
| 10/07/2014 | US8856236 Messaging response system |
| 10/02/2014 | US20140293835 Distributed wireless online access system |
| 09/30/2014 | US8850198 Method for validating a road traffic control transaction |
| 09/30/2014 | US8849348 Mobile device session switching |
| 09/23/2014 | US8843598 Network based device for providing RFID middleware functionality |
| 09/18/2014 | WO2014140675A1 Method, apparatus, and computer-readable medium for advancing prepaid credit |
| 09/09/2014 | US8831190 Telephone number-based advertising |
| 09/02/2014 | US8825061 System and method for wireless network planning |
| 09/02/2014 | US8825003 Methods, systems, and computer readable media for providing variable rate prepaid telecommunication services utilizing a weighting function |
| 08/19/2014 | US8812382 Charging for a communication system |
| 08/13/2014 | CN203775415U 移动电话空中充值装置 Air recharge mobile phone device |
| 08/13/2014 | CN203775293U 移动通讯空中充值装置 Air recharge mobile communication device |
| 08/07/2014 | US20140220931 Prepaid Short Messaging |
| 08/07/2014 | US20140220930 Gifting prepaid data plans |
| 07/31/2014 | US20140214575 System and Method for Electronic Prepaid Account Replenishment |
| 07/29/2014 | US8793169 Method and system to charge an account |
| 07/24/2014 | US20140206311 Methods and apparatus for providing pre-paid payment capability on mobile telephone |
| 07/23/2014 | CN103945064A 一种信息处理方法和电子设备 An information processing method and an electronic device |
| 07/17/2014 | US20140199960 Call management protocol for insufficient credit |
| 07/10/2014 | US20140194091 Method and System for User Signup by a Network Service Provider |
| 07/08/2014 | US8774754 Feature management of a communication device |
| 07/08/2014 | CA2565681C System and method for facilitating communications between two parties |
| 07/03/2014 | US20140185491 Systems and Methods for Providing Telecommunications |
| 07/02/2014 | CN103903128A 一种在线计费的公话系统及方法 A public telephone system and method for online charging of |
| 06/26/2014 | WO2013132472A3 Mobile payment system |
| 06/26/2014 | US20140179267 Operations method for providing wireless communication services |
| 06/19/2014 | US20140171019 Prepaid charging interface enhancements enabling prepaid messaging buckets |
| 06/17/2014 | US8755500 Biometric identification in communication |
| 06/12/2014 | US20140161240 System and method for provisioning temporary telephone numbers |
| 06/04/2014 | CN103841284A Mobile phone recharging and fee-paying method, system and device |
| 06/03/2014 | US8744051 Translation of fees for value added services in a communication network |
| 05/29/2014 | US20140146955 System and method for automatic assignment of local phone number to long distance prepaid account |
| 05/27/2014 | US8738496 Prepaid short messaging |
| 05/27/2014 | US8737585 Systems and methods for treatment of inactive accounts |
| 05/20/2014 | US8731167 System and method of providing a walk-up telecommunications terminal having a telephone application and information application |
| 05/20/2014 | US8731158 Methods for providing prepaid telephony service via an internet protocol network system |
| 05/20/2014 | US8731157 Apparatus and method for ensuring a real-time connection between users and selected service provider using voice mail |
| 05/08/2014 | US20140129436 Systems and Methods for Personal Identification Number Distribution and Delivery |
| 05/01/2014 | US20140120869 Over-the-air pre-paid wireless system and method |
| 04/23/2014 | EP2721848A1 Credit query |
| 04/23/2014 | CN103747158A Recharging method and device |
| 04/23/2014 | CN103747157A Mobile recharge consumption system |
| 04/23/2014 | CN103747156A Prepaid recharge management platform |
| 04/22/2014 | US8706582 Managing service subscriptions in a network |
| 04/22/2014 | CA2495232C Real time charging of short message service in a telecommunications network |
| 04/17/2014 | US20140108253 System and Method for Prepaid Account Replenishment |
| 04/17/2014 | US20140106706 Process to Reload Mobile Prepaid Airtime Using a Self-Service Terminal Across Multiple Telcos and Multiple Currencies |
| 04/17/2014 | US20140106705 Wireless device access to communication services through another wireless device |
| 04/02/2014 | CN102143443B Message sending method, message sending system, message center equipment and third party platform equipment |
| 03/18/2014 | US8675841 Call management protocol for insufficient credit |
| 03/18/2014 | US8675840 System and method for using a prepaid card |
| 03/13/2014 | WO2014037029A1 Credit query |
| 03/06/2014 | US20140066016 Devices and Methods for Adding Service, Authorizing Service and/or Activating Service for a Plurality of Wireless Devices |
| 02/27/2014 | US20140057594 Cellular Airtime Management |
| 02/18/2014 | US8654948 Systems and methods of detecting communications fraud |
| 02/12/2014 | CN103581458A Automatic updating method and device for service package |
| 02/11/2014 | US8649299 Distributed wireless online access system |
| 02/06/2014 | US20140038546 Master Limits and Filters for Electronic Devices |
| 02/05/2014 | CN101719832B Method and system for implementing trigger of intermediate charge |
| 01/22/2014 | CN102238012B 计费方法和系统 Billing methods and systems |
| 01/16/2014 | US20140016763 Method and apparatus of re-rating for prepaid users |
| 01/14/2014 | US8630616 Operations method for providing wireless communication services |
| 01/01/2014 | CN101098361B Mobile communication network for disabling mobile communication terminal equipped with memory for storing card information |
| 12/31/2013 | US8621582 Authentication system |
| 12/05/2013 | WO2013180678A1 Method for sharing tl over nfc |
| 12/05/2013 | WO2013180677A1 Method for loading tl over nfc |
| 12/04/2013 | CN102447798B Recharge-for-recovery method and device |
| 11/26/2013 | US8594286 Systems and methods for personal identification number distribution and delivery |
| 11/20/2013 | CN101754157B Information reminding method, device and system |
| 11/13/2013 | CN103391384A Recharging method and device |
| 11/12/2013 | US8582738 Person-to-person calling accounts |
| 10/31/2013 | US20130287193 Universal prepaid communications |