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Bug ID	9068
Summary	New BSMAP dissector does not decode Signal values
Classification	Unclassified
Product	Wireshark
Version	1.11.x (Experimental)
Hardware	x86
OS	Windows 7
Status	UNCONFIRMED
Severity	Normal
Priority	Low
Component	Dissection engine (libwireshark)
Assignee	bugzilla-admin@wireshark.org
Reporter	jon.carmicheal@gmail.com

Created attachment 11437 [details]
One packet containing "Signal: Call waiting tone on"

Build Information:
Wireshark 1.11.0-SVN-51193 (SVN Rev 51193 from /trunk)
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Related to Bug 8883: https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8883

A BSMAP/DTAP dissector was added in revision 51040.  However, it does not
dissect the Signal values in SIP INFO messages.  Another custom dissector that
a colleague has dissects these signals in a meaningful way.  E.g. in the
attached packet his dissector presents this in the SIP block:

Signal - Call waiting tone on
Element ID
Signal value:  (7) Call waiting tone on
0000 00.. : Reserved
0000 00.. : Alert pitch: medium pitch (Standard alert)

While the dissector built into Wireshark's 51193 build has this:

Information Record Type [2]: (5) Signal
  Length: 2
  Record Content

So the "Call waiting tone on" is not displayed.  Similarly, the custom
dissector can dissect the "Tones off" signal, and presumably many other
signals.

Signal - Tones off
Element ID
Signal value:  (63) Tones off
0000 00.. : Reserved
0000 00.. : Alert pitch: medium pitch (Standard alert)

Can these signal dissections be added to Wireshark?  There is an example packet
attached that has the signal for "Call waiting tone on."

Thanks,
Jon

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