Ok, Christian, let's fix this.We at snom have problems with Asterisk when we receive calls without the line indication. When we register we place a contact like this:
REGISTER sip:asterisk SIP/2.0 Contact: <sip:[EMAIL PROTECTED];line=h35h345>
When we receive the 200 Ok, we search for the "h35h345". If we don’t find it, we try to guess which line is affected. This is relatively easy on a REGISTER response, but on an incoming INVITE we have serious problems. I think some of the challenging and line-assignment problems are related to this problem.
Strictly speaking, we register the contact "sip:[EMAIL PROTECTED];line=h35h345", NOT "sip:[EMAIL PROTECTED]"! Parameters are an essential part of a URI which must not be discarded.
First, I'm curious, is the "line=" parameter specified somewhere? (Always looking for documentation :-)
Secondly, in many places in the sip channel, everything after the ";" is discarded. I would really appreciate if Snom could help us fixing this, so Snom phones work correctly and fully with Asterisk. (Have a new Snom 200 on my desk :-)
I'm not an experienced C programmer, so I can't fix this myself. However, there are experienced C programmers in the community that will fix this, but they need proper and detailed input on what to fix.
I've opened a bug http://bugs.digium.com/bug_view_page.php?bug_id=0000732
Let's continue adding information there.
BTW, there's some other Snom problems where we need input from SNOM. Search on "Snom" in the bug tracker. Thank you for participating in the Asterisk community!
/O
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