Re: about sip message

On 25/03/2026 16:56, James Browne wrote:
> On Wed, 25 Mar 2026 at 11:11, Richard Robson via sr-users
> <[email protected]> wrote:
>> Are you handling the MESSAGE explicitly?
>>
>> It sounds like you are falling through the script without doing anything
>> and the core is returning 500 No error by the SL module because there is
>> no transaction.
> I'm not sure about that, because the default script behavior is to do
> nothing. My understanding is that if there's a transaction, then TM
> will send a final response if the script does not, but SL won't get
> involved like that.

I can't remember the exact scenario, but I have seen this before and 
IIRC that what was happening, But I could be wrong, Bit it would be a start


>
>> the best way to find out what is occurring it follow the logs or
>> manually step through the script and seeing what the logic will do with
>> a MESSAGE method.
>>
> I agree with this; that's how I always do it: add logs at many places
> and eventually find the exact line of code that leads to the error
> (and _then_ figure out why).

Yep, always add logs. I add them with a tag (making grepping easier) and 
in both logic paths to confirm whish way it went.


Also is there any branching going on?


> James
>
>> Regards,
>>
>>
>> Richard
>>
>> On 19/03/2026 10:21, zhaobin via sr-users wrote:
>>> I try send sip message from freeswitch to webrtc sip client,then
>>> kamailio send back 500 error.
>>>
>>> I have some question about this:
>>> 1:image show kamailio sl module send this error.Why sip message is
>>> trans by sl module,not tm module?
>>> 2:about error show (2/SL),i know SL is sl module,and 2 is what?
>>> 3:so i must get debug log to get more infomations about this error?
>>>
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