基于号码携带的VoLTE网络互通研究

VoLTE Network Interworking Based on Number Portability

认为VoLTE技术能够提供高清语音、视频等多媒体业务,是LTE下唯一的、端到端的目标语音解决方案。针对号码携带的国家/地区中各运营商VoLTE网络之间互通,提出了4种方案以及部署建议,从而实现了不同运营商VoLTE网络之间互通,对全球VoLTE网络互通有较强的借鉴和指导意义。

Voice over LTE（VoLTE） technology is used for multimedia services such as high definition（HD） audio and video calling. VoLTE is the only target solution for end-to-end audio service based on LTE. For multi-VoLTEs interworking for supporting number portability service＇s in the country/region, we give four effective solutions for different scenes and stage, as well as its deployment suggestion according to the solutions. It is helpful for different operator VoLTE network interworking.