Hello Chris,
probably you have not only G.711 a-law voice frames but comfort noise
frames mixed (or other payload types); Ethereal recognizes them but it
can not save them as audio (I understand that's your problem: you
attempt to save audio but you get the unsupported codec message). Just
filter out payload types other than 8 (A-law) with rtp.p_type==8, and
save only as AU audio file this payload type.
Regards
Hughes, Chris wrote:
I’ve tried to decode voip traffic (ITU-T G7.11 PCMA) wityh ethereal
but I always get the error: “Can’t save in a file: Unsupported codec!”
I see posts that talk about G7.11 PCMA being supported but nothing
about ITU-T. I am capturing the traffic with a NAM2 blade on a Cisco
6500 and then downloading/importing into Ethereal v0.10.13.
Any help would be appreciated.
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