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Hi Brian,<br>
<br>
With respect, it's not; it's sending a multipart message, of which the
SDP (to which it assigns a<br>
Content-Type: of application/sdp) is one.<br>
<br>
RFC3261 says that multipart bodies are OK *if* the receiving end has
said that it'll accept<br>
them (I've appended the relevant bit); clearly there's a problem here
if you're generating the<br>
first message, as you don't know what the receiving end will accept.<br>
<br>
The Cisco sends a multipart body, gets a 415 back with "Accept:
application/sdp", and then<br>
resends the INVITE with just the SDP as the body. That all looks
pretty reasonable.<br>
FreeSWITCH then repeats the 415 message - presumably it's expecting it
to be ACKed<br>
in the same way as a 407, but the Cisco's not doing so.<br>
<br>
Cheers --<br>
<br>
Dave<br>
<br>
<pre>7.4.1 Message Body Type
The Internet media type of the message body MUST be given by the
Content-Type header field. If the body has undergone any encoding
such as compression, then this MUST be indicated by the Content-
Encoding header field; otherwise, Content-Encoding MUST be omitted.
If applicable, the character set of the message body is indicated as
part of the Content-Type header-field value.
The "multipart" MIME type defined in RFC 2046 [11] MAY be used within
the body of the message. Implementations that send requests
containing multipart message bodies MUST send a session description
as a non-multipart message body if the remote implementation requests
this through an Accept header field that does not contain multipart.
SIP messages MAY contain binary bodies or body parts. When no
explicit charset parameter is provided by the sender, media subtypes
of the "text" type are defined to have a default charset value of
"UTF-8".</pre>
<br>
<br>
<blockquote cite="mid:42B460BD-38BD-4D39-B26D-779E0408AAF3@mac.com"
type="cite">The cisco is sending the SDP as multipart/mixed which is
retarded. This isn't supported by FreeSWITCH.
<div><br class="webkit-block-placeholder">
</div>
<div>/b</div>
<div><br>
<div>
<div>On Mar 13, 2008, at 9:53 AM, Josip Djuricic wrote:</div>
<br class="Apple-interchange-newline">
<blockquote type="cite">
<div bgcolor="#ffffff" text="#000000"> I can tell you that FS is
returning 415 errors, not AS.<br>
<br>
When sofia is inviting everything is well, but when as sends request
then the fun starts<br>
<br>
Brian West wrote:
<blockquote cite="mid:80374550-B150-4318-AC11-ECC6068627F0@mac.com"
type="cite">
<pre wrap="">I can tell you this isn't the problem ... Sofia enables ip6 by default
on linux. The AS5300 will spew out 415 errors like crazy.
/b
On Mar 13, 2008, at 9:21 AM, Tamas wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Hi,
What kind of codec list do you use on as5300? Do you have maybe ACLs
defined?
Do you use the same dial-peers for incoming and outgoing calls too?
What
IOS version do you run?
Could you share your cisco running-config?
Could you send also the SIP messages (without RTP)?
Regards,
Tamas
Josip Djuricic írta:
</pre>
<blockquote type="cite">
<pre wrap="">Hi there,
I was already writing about this problem, and I still didn't
managed to
fix it. I thought it was a NAT problem, but now without NAT the
problem
still remains.
The error is like this, when I call from pstn, the call goes trough
Cisco AS5300, then goes to FS, then to it's final destination - Ip
Phone.
Now you can answer the phone, but you can't hear anything on any
side.
And FS returns lots of SIP 415 (unsupported media type) to Cisco
AS5300.
When you call from Voip phone to the same pstn number it all works
well,
so I'm starting to be confused more and more. (and in this case
there is
no 415 messages).
I believe cisco is sending something that FS can't understand, in the
INVITE's but that's just a wild guess cause I ain't sure what can FS
exactly understand very well.
Whoever want's I can send him a tcpdump, it's about 7mb tarred, so I
can't send it to the list.
Thank you all,
Josip
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<pre class="moz-signature" cols="72">--
David Knell, Director, 3C Limited
T: 020 8114 8901 F: 020 3002 7257 M: 001 415 630 3031
<a class="moz-txt-link-freetext" href="http://www.3c.co.uk">http://www.3c.co.uk</a> </pre>
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