VoLTE用户通过GSM网络国际漫出方案研究

摘要

To solve the roaming problem of VoLTE terminals via GSM, roaming solutions for VoLTE terminals of CDMA operators via GSM network was researched, and the technical realization procedures as well as the speciifc signaling procedures were analyzed.%为了解决VoLTE终端通过GSM模式进行国际漫出的问题，研究了CDMA运营商VoLTE用户通过GSM网络国际漫出方案，分析了VoLTE用户通过GSM网络国际漫出技术实现方案与具体的信令流程。