Help Interpret Silent SMS TP-User-Data

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Last Post by bitflippper 6 months ago

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hiphopopotamus

(@hiphopopotamus)

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Joined: 7 months ago

Posts: 1

Topic starter 06/07/2024 11:17 pm

Hi all,

Does anyone know how to read TP-User-Data? I'm playing with Silent SMS messages and don't know how to read the following:

MSG [TP-User-Data [-51, -14, 124, 30, 62, -105, 65, -12, 55, 40, 102, -109, -51, 108, 57, -102, -51, 6, -85, -127, -56, 101, 118 -38, 94, -106, -105, -55, -46, ]]]

I think it might be location data for the cell tower?

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SMS Cell Towers Data Extraction

bitflippper

(@bitflipper)

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Joined: 6 months ago

Posts: 2

26/07/2024 10:00 am

These are bytes represented in signed decimal format not location data.

You can convert them to hex using something like Cyberchef or Python and then use an online PDU decoder such as JavaScript PDU Mode SMS Decoder (benjaminerhart.com) in order to decode the data.

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