网间移动号码携带现场试验的测试工作

在天津和海南进行的网间移动号码携带现场试验测试,包括受理流程测试和业务流程测试,以及每个测试阶段的准备工作、测试内容、测试环境。测试中出现一些典型问题,但绝大部分都及时得到解决。这些问题将来在全国测试中还可能出现。现在的现场测试会避免将来出现类似的问题,或者出现问题时能及时得到定位和解决。     

携号转网管理政策体系研究

携号转网是移动电话用户变更签约的电信企业而用户号码保持不变的一项服务,目前已在全球近80个国家和地区实施。我国于2019年11月27日正式在全国提供携号转网服务。携号转网管理政策体系的建立确保了携号转网服务的有序提供,在保障用户合法权益、引导企业规范经营、提供监管政策依据方面发挥了重要作用。结合国际、国内政策分析,充分论证了我国出台携号转网管理政策的必要性和可行性,并对携号转网服务后续监管提出启动技术监测、丰富监管案例、建立通报机制、强化落地执行四方面建议。     

论携号转网行为的私法规制

以电信用户入网协议为切入点,电信用户的携号转网行为应受到《合同法》《消费者权益保护法》等私法规范的保护与限制。该行为引起的格式条款解释、合同终止、违约责任、损失赔偿等问题,不能仅靠《电信条例》等公法规范来调整。应当积极引导广大消费者用户以私法领域相关规定为依据,转变争议解决思维,拓宽纠纷处理途径,合理选择维权手段,以保护自身合法民事权益,与行业监管部门共同推动电信行业有序发展。     

移动网间号码携带集中数据库系统接口协议设计

主要介绍移动网间号码携带集中数据库系统接口协议的设计方法,包括接口协议的设计目标、可靠性保障机制以及承载的协议等内容。     

国际网间号码携带技术的研究

国际上已经有50多个国家实现了网间号码携带业务,其实现的技术方案很多。这里从路由实现机制、数据库访问机制以及数据库设置技术三方面介绍了国际上主要的网间号码携带技术。在具体实现的时候,以上三方面的解决方案可通过任意组合形成最终的实现方案。     

携号转网发展历程

携号转网服务已在全球80多个国家和地区实施,大部分国家将携号转网作为一项用户的基本服务。但实现携号转网是一项复杂的系统工程,不仅涉及技术的实施、更涉及业务和管理等多个方面。我国携号转网服务从试点试验到2019年全国开展已历经10年,分多个阶段逐步开展,并从系统建设、政策标准、技术方案等多方面开展研究和试验,探索了一套符合我国国情的技术和管理解决方案。随着携号转网的全国开展,携号转网整体服务将不断完善。     

我国携号转网服务开展情况

2019年11月27日,在全国范围内正式提供携号转网服务。重点研究我国携号转网服务开展情况,对携号转网服务运行情况、影响因素、主要挑战及对电信行业带来的影响进行分析。     

携号转网服务推广引起的扰乱市场秩序行为预判及处置建议

在携号转网前期试验阶段,发现部分电信运营商存在因携号转网服务引发的扰乱市场秩序行为,这些行为大大降低了用户体验、影响了行业形象,理应在全国推广过程中加以重视并积极规制。梳理了推广过程中可能出现的几类扰乱市场秩序行为,根据不同类型的行为提出了针对性处置建议。     

A study of mobile number portability effects in the United States

Drawing on a sample of 684 mobile subscribers in the US, this study investigates the effect of mobile number portability (MNP) by focusing on subscribers’ perceptions and behaviors on MNP. The FCC mandated number portability to wireless carriers for customer benefits through increased competition in the industry. Statistical analyses in this study reveal, however, subscribers perceive switching barrier is still high, discouraging subscribers from switching carriers. Carriers develop new subscriber lock-in strategies that make subscribers stay with current carriers. In addition, there are other hidden costs despite MNP that subscribers should burden with number portaling. In all, MNP is upheld by subscribers’ burden not carriers and not regulators, which partly explains the low number of switching subscribers under MNP. The findings imply that MNP has more directly affected the industries to a greater extent than subscribers, which suggests implications for both regulators and industries; how to effectively enforce MNP to achieve the intended goals and how to achieve competitive advantage with MNP.     

Phone number portability for PCS systems with ATM backbones usingdistributed dynamic hashing

Current cellular subscribers have a geographic phone number (e.g., in AMPS and US digital cellular systems) or a number which contains the network provider's identity (e.g., in GSM), and whenever subscribers register or receive (and possibly, originate) a call, a home location register (HLR) database has to be queried. The wired infrastructure supports a function called global title translation (GTT) that converts the subscriber's number to an HLR database address. A special feature of next generation wireless access service will be to support personal communication services (PCS) and wireless subscribers with portable personal numbers, or nongeographic phone numbers (NGPNs), that do not indicate the service provider or HLR database serving the user. In addition, the GTT function may not be available when the wired backbone is an ATM network. Thus a key function required in future wireless access systems with wired ATM backbones will be the ability to translate an NGPN to the identity of the HLR which serves the subscriber, a process we call NGPN translation. We discuss the requirements of NGPN translation and some alternative schemes. We propose two schemes for fast, efficient, scalable and flexible NGPN translation which use ideas of dynamic hashing, caching, and indirection. The schemes use a hash function in the visiting location registers (VLRs) (or serving SCP) and a set of distributed translation servers which store the NGPN-to-HLR mapping. We discuss how the operations required to maintain the translation information can be performed. Finally, we perform a simplified analysis of the scalability of the alternative schemes as well as the hash-based schemes we propose     

全国携号转网服务方案设计与政策研究

2019年政府工作报告提出“实现全国携号转网服务”。在实施携号转网过程中,现网改造、业务规则、行业监管等诸多方面都存在不同程度的挑战。首先,结合用户需求和行业规范,分别从业务交互和系统支撑两个层面提供了一整套服务实施方案,包括携号转网服务流程、发端查询机制等。其次,对携号转网政策进行了研究和分析,包括监管政策、携号转网用户画像、企业运营策略等,并提出优化建议。最后,对携号转网在未来通信市场发展趋势的影响进行了展望。目前,中国电信持续保持净携入,且携号转网投申诉率、系统故障率均保持行业最低,有关监管建议得到行业主管部门的初步采纳。     

True number portability and advanced call screening in a SIP-basedIP telephony system

Custom local area signaling service features offered in the PSTN have certain limitations due to the closed nature of PSTN network signaling. The adoption of telephony over IP (IP telephony) will enable a new paradigm of services and features that are not possible to implement in today's PSTN. This is especially the case for services that make use of personal, trusted information, which can be provided by a user's personal digital assistant. We demonstrate how personal information can be coupled with an IP telephony service to provide user-customized call handling by the network. In particular, we describe a demonstration architecture that includes Ethernet-attached phones running SIP, with an interface to synchronize with PDAs that supply personal information. The proposed architecture is quite flexible; it can support enhanced versions of the current PSTN and private branch exchange services, in addition to many new features and services. We describe true number portability and advanced call screening as examples of new services in a hybrid PSTN/IP telephony environment     

Analysis of the influencing factors of users' switching intention in the context of one-way mobile number portability

This paper reviews the implementation of mobile number portability (MNP) in other countries except China. The authors tested the influencing factors of users' switching intention in the context of the one-way MNP policy survey data from 400 China Mobile users in Tianjin (pilot city). The study briefly describes the implementation of one-way MNP, particularly the “lag system” MNP and its implementation effect in Korea, with which country China has an analogy under the MNP policy. The current paper seeks to provide a reasonable referential direction for the further development of government regulation under the MNP policy.Then, a research model is developed based on users' actual behavior in the pilot city. The results of this research show that customer satisfaction (including call quality, mobile device and customer complement), switching costs and attractiveness of alternatives have significant effects on users' switching intention. Among these factors, customer satisfaction and switching costs are the most important to China mobile users. In comparison, the attractiveness of alternatives (China Telecom, China Unicom) is not a considerable factor of switching intention to China mobile users, in the context of one-way MNP. We conclude with a discussion of the contributions and limitations of this study.     

Service portability of networked appliances

This document outlines an approach for delivering services to networked appliances using techniques that allow mobility of these services both in a conventional location-independent sense and between physical devices. Key requirements to address this market are identified and the document then goes on to present a technical solution to meet these requirements together with worked examples. It concludes with suggestions for further work     

Number portability for telecommunication networks

Number portability is a telecommunication network function, which allows subscribers to switch services, service providers, or locations without changing their telephone numbers. Near-term number portability is typically implemented by existing telecommunication services such as remote call forwarding. Long-term number portability can be implemented under the advanced intelligent network (AIN) platform. This article focuses on the routing issues for number portability. We introduce the number portability issues and provide a tutorial on the AIN. We then show the AIN implementation for long-term number portability. Finally, a cache approach is proposed to speed up address transfer, which can effectively reduce the network overhead incurred by AIN query for number portability     

IPv6‐GSM: An IPv6‐based solution for GSM number portability

This paper proposes an algorithm called IPv6‐GSM. In IPv6‐GSM, users own GSM Local Number Portability (LNP) capability and can communicate with VoIP terminals efficiently. Therefore, with the ample address space and embedded neat mobility mechanism than its ancestor, IPv6‐GSM is demonstrated as an acceptable method for constructing future all‐IP networks. Copyright © 2003 John Wiley & Sons, Ltd.     

Achieving service portability using self-adaptive data paths

There is a growing demand for service access through heterogeneous devices attached to diverse networks. For ease of deployment, it is crucial to provide application-level support for transparent roaming and ubiquitous service access. We discuss how to develop such a service infrastructure integrating a variety of telephony arid data services spanning diverse access networks reaching heterogeneous end devices. We describe our techniques for achieving goals of transparent network- and device-independent service access, as well as scalable and fault-tolerant access to composed service entities across the wide area using self-adaptive data paths. We evaluate our implementation through applications that require adaptation to end devices and resource variations. The applications include Universal Inbox, Interactive Voice Room Control, MP3 Jukebox access using a cell phone, and real-time video delivery to wireless clients