[OpenSIPS-Users] Extract data from AVP

[Ben Newlin]

Well, you could improve it by combining the two substitutions into one:

$var(toto) = $(avp(aline){re.subst,/.*:(.*)@.*/\1/g});

Beyond that if this is something you do often you can use the dialplan module [1] to store the regex as a rule and apply it anywhere you want. It may have been designed for dialplan management but it is basically a database-backed regex module that can be used for anything.

[1] https://opensips.org/html/docs/modules/2.4.x/dialplan.html

Ben Newlin

From: Users <users-bounces at lists.opensips.org> on behalf of Mickael Hubert <mickael at winlux.fr>
Reply-To: OpenSIPS users mailling list <users at lists.opensips.org>
Date: Wednesday, November 27, 2019 at 1:29 PM
To: OpenSIPS users mailling list <users at lists.opensips.org>
Subject: Re: [OpenSIPS-Users] Extract data from AVP

Thanks Ben,
yes I tried this:
$var(toto) = $(avp(aline){re.subst,/.*:(.*)/\1/g}); # delete a=channel:


xlog("line in the SDP body is $(var(toto){re.subst,/(.*)@.*/\1/g})\n");
xlog("line in the SDP body is $(var(toto){re.subst,/.*@(.*)/\1/g})\n");

It works like a charm, maybe there is a better way ...

Le mer. 27 nov. 2019 à 17:51, Ben Newlin <Ben.Newlin at genesys.com<mailto:Ben.Newlin at genesys.com>> a écrit :
Have you tried using the substitution transformation?

https://www.opensips.org/Documentation/Script-Tran-2-4#toc82<https://www.opensips.org/Documentation/Script-Tran-2-4#toc82>

Ben Newlin

From: Users <users-bounces at lists.opensips.org<mailto:users-bounces at lists.opensips.org>> on behalf of Mickael Hubert <mickael at winlux.fr<mailto:mickael at winlux.fr>>
Reply-To: OpenSIPS users mailling list <users at lists.opensips.org<mailto:users at lists.opensips.org>>
Date: Wednesday, November 27, 2019 at 11:11 AM
To: OpenSIPS users mailling list <users at lists.opensips.org<mailto:users at lists.opensips.org>>
Subject: [OpenSIPS-Users] Extract data from AVP

Hi all,
I want to extract the channel ID from a line in SDP (a=channel:d87c363c1b5b4f13 at speechrecog)
I can extract this line, but I don't know how can I have only the ID (d87c363c1b5b4f13)

Do you have a way for me please ?

thanks in advance

SDP example:
***********
m=application 1544 TCP/MRCPv2 1
a=setup:passive
a=connection:new
a=channel:d87c363c1b5b4f13 at speechrecog
a=cmid:1
m=audio 5002 RTP/AVP 8 101
*************

My conf:

My result: "line in the SDP body is a=channel:d87c363c1b5b4f13 at speechrecog"
I want only: d87c363c1b5b4f13 in specific avp

onreply_route[reply_mrcp]

{

xlog("L_INFO","$avp(startlog) In REPLY ROUTE MRCP - fu : $fu , si : $si , rs: $rs\n");

if(has_body_part("application/sdp"))

{

if (search_body("m=application.*TCP\/MRCPv2"))
{

if(search_body("a=channel:.*")) {

$var(i)
=
0;

$var(whileflag)
=
0;

while ($var(i)
<
10
&&
$var(whileflag)
!=
1)

{

$avp(aline)
= $(rb{sdp.line,a,$var(i)});

if($avp(aline)=~"a=channel")

{

xlog("line in the SDP body is $avp(aline)\n");

$var(whileflag)
=
1;

}

$var(i)
=
$var(i)
+
1;

}

xlog("var i = $var(i)\n");

}

}

}

}

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