Just be careful with selects as they are a construct imported from SER as part of the sip-router integration of 2010 (what a fascinating time to have been alive!)

Like some other SER constructs, they are not widely used and so I am not sure what the maintenance and support commitment to them is on a go-forward basis. I’m not saying it’s not there or that nobody uses selects—others can clarify—but it’s notable that they are not in the core docs (as far as I know). For trivial operations which do not require the more extensive and nuanced flexibility of selects, you might consider a more “Kamailio-native” way: transformations.

https://www.kamailio.org/wiki/cookbooks/5.3.x/transformations#urihost

That is to say:

  $(ct{uri.host})

— Alex

—
Sent from mobile, with due apologies for brevity and errors.

On Nov 18, 2019, at 8:27 AM, Michael Iedema <michael@kapsulate.com> wrote:

Hi Sergiu,

@contact.uri.hostport might be what you are looking for.

For more:
http://www.kamailio.org/wiki/cookbooks/devel/selects


That worked perfectly, thanks!

For the other beginners out there, here are two snippets for posterity:

== TO LOG ==

xlog("L_INFO", "contact.uri.host = $sel(@contact.uri.host)\n”);
xlog("L_INFO", "contact.uri.port = $sel(@contact.uri.port)\n”);


== TO COMPARE ==

#!define PORT_SERVICE_A 5062

if ( @contact.uri.port == PORT_SERVICE_A ) {
 xlog(“L_INFO", “Service A: sent $rm\n");
}



Regards,
-Michael



On Nov 12, 2019, at 14:50, Sergiu Pojoga <pojogas@gmail.com> wrote:

Hi Michael,

@contact.uri.hostport might be what you are looking for.

For more:
http://www.kamailio.org/wiki/cookbooks/devel/selects

Cheers.
--Sergiu

On Tue, Nov 12, 2019 at 8:32 AM Michael Iedema <michael@kapsulate.com> wrote:
Hello everyone,

I have a potentially silly beginners question: how can I parse the contact port field and act on it in my routing logic?


I know that the $ct variable contains the entire contact header and I can print it in an xlog() call. However, I’d like to do something like the following in my routing logic:


. . . SIP CONTENT

Contact: <sip:someaccount@192.168.86.104:5062>;expires=1800


. . . CONFIG LOGIC

#!define PORT_SERVICE1 5061
#!define PORT_SERVICE2 5062

route {
   if ( src_port == PORT_SERVICE1 ) {
       xlog(“L_INFO”, “Received $rm from SERVICE1\n”);
   } else if ( src_port == PORT_SERVICE2 ) {
       xlog(“L_INFO”, “Received $rm from SERVICE2\n”);
   }
}


I realize that src_port is not the correct value to compare against. I want to compare against the originating contact’s port value.

How can I extract the port field from $ct?


Many thanks in advance and apologies for the beginners question. I’ve googled for what I think I’m trying to do without any real results on functions or tokenizers, etc. I’m using Kamailio 5.3.0.

Regards,
-Michael


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