[OpenSIPS-Users] DNS-SRV query in opensips

[Bogdan-Andrei Iancu]

Hi,

They are different. RURI is the part in request's first line, while the 
DURI is a an outbound proxy used just to finding the destination at 
network level (it will not be present in the SIP request).

by using the set functions you do not create a new branch, you are just 
changing the RURI and DURI from the default branch. To create a new 
branch you have to use append_branch().

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 22.06.2016 17:13, Ramachandran, Agalya (Contractor) wrote:
>
> Hi Bogdan,
>
> Request URI and destination URI are one and the same right?
>
> Basically what I understand from the below mail is , we can use both 
> seturi and setdsturi to set a new branch.
>
> Am I right?
>
>
> Regards,
> Agalya
>
> *From:*Bogdan-Andrei Iancu [mailto:bogdan at opensips.org]
> *Sent:* Wednesday, June 22, 2016 3:15 AM
> *To:* Ramachandran, Agalya (Contractor) <Agalya_Ramachandran at comcast.com>
> *Cc:* OpenSIPS users mailling list <users at lists.opensips.org>
> *Subject:* Re: [OpenSIPS-Users] DNS-SRV query in opensips
>
> Hi Agalya,
>
> seturi() and setdsturi() set the RURI / DestinationURI for the current 
> message / branch.
>
> When you do an append_branch() a new branch is stored for 
> serial/parallel forking (note that the current branch does not changes 
> - this is branch number 1).
>
> So, append_branch() will make a copy of the current branch (RURI, 
> DURI, PATH, Forced Socket, etc) and store a new branch for later forking.
>
> Regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
>
> On 21.06.2016 21:08, Ramachandran, Agalya (Contractor) wrote:
>
>     Hi Bogdan,
>
>     I have a question regarding /seturi/and /setdsturi///function calls.
>
>     As far as my understanding, when append_branch() is called, seturi
>     () is called to set the URI where to fork the call.
>
>     I tried by calling only /seturi ()/function call, after
>     append_branch it was working same behavior as when I used
>     /setdsturi()/as well.
>
>     My question is do we really need /setdsturi /or when is the case
>     when /setdsturi()/is used.?
>
>     Regards,
>     Agalya
>
>     *From:*Bogdan-Andrei Iancu [mailto:bogdan at opensips.org]
>     *Sent:* Tuesday, June 21, 2016 3:41 AM
>     *To:* OpenSIPS users mailling list <users at lists.opensips.org
>     <mailto:users at lists.opensips.org>>; Ramachandran, Agalya
>     (Contractor) <Agalya_Ramachandran at comcast.com
>     <mailto:Agalya_Ramachandran at comcast.com>>; Ramachandran, Agalya
>     (Contractor) <Agalya_Ramachandran at comcast.com
>     <mailto:Agalya_Ramachandran at comcast.com>>
>     *Subject:* Re: [OpenSIPS-Users] DNS-SRV query in opensips
>
>     Hi Agalya,
>
>     OpenSIPS does full flavor DNS lookup (with NATPR and SRV), but
>     this is internal, and not accessible from script. OpenSIPS
>     implements auto DNS-based failover :
>     http://www.opensips.org/html/docs/modules/2.2.x/tm.html#id293694
>
>     My understanding is you want the DNS resolving to be done at
>     script level and to have access to the results ?
>
>     Regards,
>
>     Bogdan-Andrei Iancu
>
>     OpenSIPS Founder and Developer
>
>     http://www.opensips-solutions.com
>
>     On 20.06.2016 20:35, Ramachandran, Agalya (Contractor) wrote:
>
>         Hi team,
>
>         We are using opensips for our project requirements.
>
>         I have a scenario where we need DNS-SRV query and the result
>         of this should be placed as the desturi to send request
>         out.(In case of forking call)
>
>         As far as I went through opensips documentation, there are
>         some core parameters for dns related config such as
>         “dns_retr_time
>         <https://www.opensips.org/Documentation/Script-CoreParameters-1-11#toc44>”
>         ,”dns_retr_time
>         <https://www.opensips.org/Documentation/Script-CoreParameters-1-11#toc44>” ,”dns_servers_no
>         <https://www.opensips.org/Documentation/Script-CoreParameters-1-11#toc46>”
>         etc…
>
>         According to my understanding these config variables can be
>         declared and used in the opensips.config file to control the
>         settings of DNS query.
>
>         Is there any available function where I can use and pass the
>         DNS server domain name, so that it fetches the IP address of
>         the host ?
>
>         Please let us know what is the best way to achieve this?
>
>         Regards,
>
>         Agalya
>
>
>
>
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>
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>
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>
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