[reSIProcate] no Contact allowed in MESSAGE

[Scott Godin]

You are still allowed to send a MESSAGE request within an existing dialog.
Many applications will send a MESSAGE request in a SIP Invite dialog.  This
change would break that capability.  For out of dialog MESSAGE requests -
the PagerMessage logic doesn't use a Contact header.

Scott


On Thu, Jun 19, 2014 at 1:24 PM, John Gregg <jgregg at aylus.com> wrote:

> As per RFC 3428, section 4:
>
> MESSAGE requests do not initiate dialogs.  User Agents MUST NOT
>    insert Contact header fields into MESSAGE requests.
>
> Accordingly, I think the following change should be made to
> Dialog::makeRequest() (diff from Dialog.cxx, version 1.9.6 attached):
>
>    request.remove(h_Contacts);
>    if (method != MESSAGE) // RFC 3428, section 4: no Contact allowed in
> MESSAGE
>    {
> request.header(h_Contacts).push_front(mLocalContact);
>    }
>
>
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