"Network Signal Guru (NSG) is a multi-functional Android OS based tool for voice and data service quality troubleshooting, RF optimization and engineering field work. It supports all wireless network technologies worldwide, and covers multiple mobile layers as well as data stack in real-time. NSG provides extensive test functions for voice, data tests to assess and reflect the real end-user experience of QoS within a mobile network."
Application for Qualcomm based rooted phones only. The best ever application for network investigation.
Review: https://blog.3g4g.co.uk/2018/06/free-apps-for-field-testing-part-2.html
Screenshots:
- Most of the Qualcomm based reject the VoLTE IPv4 connection while Mi6 accepts it. It'a s software issue solved though last firmwares and workarounds.
- VoLTE HD call using Xiaomi M6. Last session is the voice connection, 44kbps.
- NSGuru 5G Video demo: https://www.dropbox.com/sh/3m6sy1s3v5mdadh/AACYZiTm0mytvNnhM5H2dPhMa?dl=0
- NSG 5G
NSG on Huawei P40 Pro . 29.08.2020
NSGuru UE signalling : Flight Mode OFF, LTE Attach, SIP Register ,VoLTE call, Flight Mode ON
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