If you know a tcpdump would do, why don't you use it? On a linux machine
you would do: tcpdump -w FILENAME.pcap -s 0 host XXX.XXX.XXX.XXX (for
example) then use wireshark software to read the resulting file from the

Once on wireshark you can search for SMPP params, like phone number.

hope this helps.

On Tue, Sep 20, 2016 at 5:38 PM, Manuel García Cabrera <
mcabr...@contentamobile.com> wrote:

> I have a SIM inside a GSM modem (Portech mv-374), and I need to see how an
> incoming SMS packet is formed. A tcpdump would do, but I don't know how to
> obtain that. Can someone point me in the right direction?

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