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GSM Frequency Bands 2

GSM Frequency Bands 2 by TELCOMA Global

GSM frequency bands or frequency ranges are the cellular frequencies designated by the ITU for the operation of GSM mobile phones and other mobile devices.

VoLTE IMS Network

2. VoLTE IMS Network Architecture tutorial

I have described VoLTE IMS Architecture in simplified way . Are you also finding 3GPP Specs complicated & Complex for VoLTE IMS . It covers Role played by individual Networks Elements as mentioned below :-