[Serusers] partially restrict access
Jiri Kuthan
jiri at iptel.org
Sat Nov 15 00:19:22 CET 2003
The replies must mirror the complete original via stack as in request.
Otherwise, the proxy does not know where to forward the replies.
-jiri
ps -- Cisco IOS 12.3 includes lot of bug fixes. If this is actually
a Cisco bug, upgrading is the first step I would try.
At 09:17 PM 11/14/2003, Daniel Medina wrote:
> The message dumps seem to indicate that the Cisco gateway is sending,
>as you say, messages to the proxy server with only one via header field
>in it.
>
> The messages are
>
> SIP/2.0 183 Session Progress Via: SIP/2.0/UDP
> SIP/2.0 100 Trying Via: SIP/2.0/UDP
>
>Should ser be seeing these as errors? I thought they were part of the
>RFC.
>
>On Fri, Nov 14, 2003 at 03:23:51AM +0100, Jiri Kuthan wrote:
>> > The logs say
>> >
>> >ERROR: forward_msg: no 2nd via found in reply
>> > (repeated a few times)
>> >Outside line
>> > (Indicating that the caller actually passed)
>> >route[2]:SIP-to-PSTN call routed
>> >ERROR: reply cannot be parsed
>>
>> Well, unless I see message dumps I assume that it happens what your
>> log tell: someone sends a reply to proxy server with only one via
>> header field in it, or other defect. (Other situatation when this may
>> happen is when SER acts as a UAC, like if it generates local CANCELs,
>> and replies come back after the transaction state is already gone.)
>>
>>
>> -jiri
>
>--
>Dan
--
Jiri Kuthan http://iptel.org/~jiri/
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