https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3952
Summary: VoIP Call RTP Player: audio played is corrupted when
RFC2833 packets are present
Product: Wireshark
Version: 1.2.1
Platform: x86
OS/Version: Windows XP
Status: NEW
Severity: Normal
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: strot@xxxxxxxxxxx
Created an attachment (id=3577)
--> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=3577)
RTP_w_rtpevent: playback corrupted, RTP_wo_rtpevent: playback correct
Build Information:
Version 1.2.1 (SVN Rev 29141)
Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.1
beta5
(packet.dll version 4.1.0.1452), based on libpcap version 1.0.0, GnuTLS 2.8.1,
Gcrypt 1.4.4, without AirPcap.
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With a SIP call that negotiated telephony-events (RFC2833/rtpevent), when such
telephony events are present in the RTP stream while in-band RTP audio is
present, the Player will report errors (Drop Of Jitter Buf/ Out Of Seq) and the
audio played will be corrupted.
The RFC2833 events (rtpevent) are using another payload and should not impact
the playback of the in-band audio. When the rtpeventS are removed from the
capture and the Player is invoked on the same call, the audio plays correctly
In .zip attachement:
RTP_w_rtpevent.pcap - RTP with rtpevent present, playback corrupted
RTP_wo_rtpevent: same stream with rtpevent removed, playback correct
Thanks,
Seb
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