AFAIR Wireshark cannot play our RTP streams because it has a very limited set of codecs, mostly focusing on regular VoIP audio.
Cheers, Domi > 24.02.2023 dátummal, 1:29 időpontban Neels Hofmeyr <[email protected]> > írta: > > On Wed, Feb 22, 2023 at 11:58:24PM +0330, morteza ali Ahmadi wrote: >> I have aggregated all RTP packets payload. How can I convert the aggregated >> bytes to a hearable audio? > > Firstly you need to be aware that 3G audio uses IuUP -- the RTP payload > includes an IuUP header followed by the AMR audio data. To see this in > wireshark, you need to go to Preferences / Protocols / IuUP and mark > [x] Dissect IuUP Payload bits. > > osmo-mgw has implemented the IuUP to AMR conversion: if one side of an MGCP > endpoint has VND.3GPP.IUFP and the other has AMR, osmo-mgw will decapsulate > the > AMR from the IuUP, i.e. forward plain AMR. > > Next I guess you will convert the AMR to something you can play back, AFAIK > https://gitea.osmocom.org/osmocom/gapk is capable of that? > > Also wireshark is supposed to be able to play back an RTP stream. See the menu > item Telephony / RTP. It hasn't worked for me yet, not sure what I'm doing > wrong, but I also never tried for more than two minutes. > > This is a rough outline, you'll have to figure out all the details... > > ~N
