[asterisk-dev] Skinny protocol messages with recent Cisco phones-

Jason Parker jparker at digium.com
Tue Jun 5 14:46:44 MST 2007

----- "Dan Austin" <Dan_Austin at Phoenix.com> wrote:
> I don't have wireshark, so I am open to suggestions.
> My sniffer is reporting it as 'extra bytes'.  At least
> one of structures in the current code is using :
> uint32_t space;
> To generate 4 bytes of padding, so I extended the concept.
> I have a patch that I am cleaning up right now, and I
> can/will open a bug with it attached.
> My 7940 is still functional after these changes, so the
> older phones do not care if the packet is padded, but the
> new ones choke if it is not.  Based on that observation, I
> would tend to think that this approach is valid not only
> for trunk, but also branches/1.4 since the code tries to
> support the new devices.
> An alternate approach is to duplicate all of the structures
> and have versions for old and new phones and make the general
> code aware of the difference so we send old style packets
> to legacy models and the new style for the current models (yuck).
> Dan

Wireshark doesn't know about anything after the second char[24]

Jason Parker

More information about the asterisk-dev mailing list