Hello,
1) Yes, the main route block is always executed for SIP requests.
2) The t_on_branch gets executed only once for each outgoing branch -
thus you can do different processing per each individual branch.
3) Correct
5) If a transaction was initiated by an INVITE request then the same
transaction also includes ACK, only if the final response was negative.
6) You should take a look at the OpenSIPS webinars -
http://www.opensips.org/Documentation/Webinars#toc7 - they contain both
introduction to SIP and basic OpenSIPS scripting.
Best Regards,
Vlad Paiu
OpenSIPS Developer
http://www.opensips-solutions.com
On 31.08.2013 13:14, Bogdan Chifor wrote:
Hello,
I would like to know better the opensips script routes, but i cannot
find any resources that answer my questions completely.
Here are my questions:
1.)When a request arrives the commands from the route main block are
always executed?
2.) What is the purpose of the t_on_branch? Why can't I simply call
for instance route(1) (which is like a function)? Aren't they similar?
3.) I understood that a transaction contains a SIP request and all the
replies to that request and a transaction is uniquely idenbtified by
the branch ID tag? Am i right?
4.) When a reply arrives the commands from the onreply_route main
block are always executed, and only after these commands are executed
the onreply_route[1] is called (if it was set previously with
t_on_branch)?
5.) A SIP transaction can contain multiple requests? Can you give me
an example?
6.) Where can I find a more detailed documentation on the opensips
script (with examples which are explained)?
Any help would be very appreciated.
Thank you,
Chifor Bogdan
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