[SR-Users] Extracting P-Asserted-Identity value

[Grant Bagdasarian]

Hi Daniel,

Yes, you are absolutely right! Thank you for pointing that out!

Is it possible to use regex inside the cfg script and use groups to extract the value?

Quick regex example (needs tweaking): tel:(\+\d{1,20})<tel:(\+\d%7b1,20%7d)> and then use a pseudo-variable to get the first group?
https://regex101.com/r/dN7bY8/1

P-Asserted-Identity: "Cullen Jennings" <sip:fluffy at cisco.com>
P-Asserted-Identity: tel:+14085264000

Regards,

Grant

From: sr-users [mailto:sr-users-bounces at lists.sip-router.org] On Behalf Of Daniel-Constantin Mierla
Sent: Monday, April 11, 2016 9:07 AM
To: Kamailio (SER) - Users Mailing List <sr-users at lists.sip-router.org>
Subject: Re: [SR-Users] Extracting P-Asserted-Identity value

Hello,

this should work unless there are parameters with the same name in userpart, or uri part or header body part.

Perhaps the safest mode is to apply first the tobody transformation to extract the part you want then apply the params transformation.

Cheers,
Daniel
On 08/04/16 17:41, Grant Bagdasarian wrote:
To answer my own question.
This does parse:

                                               $var(p_asserted_identity) = $(hdr(P-Asserted-Identity)[*]);
                                               $var(caller_id) = $(var(p_asserted_identity){param.value,'tel',:});

But, I'm not sure if this is the correct way to do this. Maybe someone else has a more elegant solution?


From: sr-users [mailto:sr-users-bounces at lists.sip-router.org] On Behalf Of Grant Bagdasarian
Sent: Friday, April 8, 2016 5:38 PM
To: Kamailio (SER) - Users Mailing List (sr-users at lists.sip-router.org<mailto:sr-users at lists.sip-router.org>) <sr-users at lists.sip-router.org><mailto:sr-users at lists.sip-router.org>
Subject: [SR-Users] Extracting P-Asserted-Identity value

Hello,

How do I extract the value of "tel" from multiple P-Asserted-Identity headers?

Example:
   P-Asserted-Identity: "Cullen Jennings" <sip:fluffy at cisco.com>
   P-Asserted-Identity: tel:+14085264000

What I got so far is:
                                               $var(p_asserted_identity) = $(hdr(P-Asserted-Identity)[*]);
                                               $var(caller_id) = $var(p_asserted_identity){param.value,'tel',':'};

But this does not work. I keep getting parser errors when doing the transformation (2nd line of code example):
I'm not sure how to format the line of code. I tried multiple ways, but none work.

Apr  8 18:35:20 kamailio: : <core> [cfg.y:3368]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 400, column 47: syntax error
Apr  8 18:35:20 kamailio: : <core> [cfg.y:3368]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 400, column 47: bad command
Apr  8 18:35:20 kamailio: : <core> [cfg.y:3368]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 400, column 47: bad command
Apr  8 18:35:20 kamailio: : <core> [cfg.y:3368]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 400, column 53: '('')' expected (function call)
Apr  8 18:35:20 kamailio: : <core> [cfg.y:3368]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 400, column 53: bad command: missing ';'?
Apr  8 18:35:20 kamailio: : <core> [cfg.y:3368]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 400, column 59: '('')' expected (function call)
Apr  8 18:35:20 kamailio: : <core> [cfg.y:3368]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 400, column 59: bad command: missing ';'?
Apr  8 18:35:20 kamailio: : <core> [cfg.y:3365]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 400, column 60-64: bad command
Apr  8 18:35:20 kamailio: : <core> [cfg.y:3368]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 400, column 65: bad command
Apr  8 18:35:20 kamailio: : <core> [cfg.y:3365]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 400, column 66-68: bad command
Apr  8 18:35:20 kamailio: : <core> [cfg.y:3368]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 408, column 6: syntax error
Apr  8 18:35:20 kamailio: : <core> [cfg.y:3368]: yyerror_at(): parse error in config file /etc/kamailio/kamailio.cfg, line 408, column 6:

Regards,

Grant




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Daniel-Constantin Mierla

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