[OpenSIPS-Users] Modify Invite

[Brad Bendy]

The $avp(s:lrn) is not null, it's set to a 10 digit number it's just
nothing is getting added to the $ru.

Ill run a ngrep soon and see if I see it anywhere else in the signaling
but when I looked before I did not see it.

I find very is strange that just the order seems to break it!

On Sat, 2010-05-01 at 18:17 -0500, Brett Nemeroff wrote:

> How about adding:
> 
> if (!is_avp_set("$avp(s:lrn)")) {
>      $avp(s:lrn)="";
> }
> 
> 
> To prevent the null value from causing problems...
> 
> 
> 
> On Sat, May 1, 2010 at 5:27 PM, Laszlo <laszlo at voipfreak.net> wrote:
> 
>         
>         
>         
>         2010/4/30 Brad Bendy <brad.bendy at benganetworks.com>
>         
>         
>         
>                 Hi,
>                 
>                 Im bringing this back up again.
>                 
>                 Ive had to switch our INVITE format as some upstreams
>                 parse the INVITE differently, I just need to change
>                 the order of variables around.
>                 
>                 Now the weird thing is, I set the $ru and then when I
>                 check to see what $ru is set to, it's been set
>                 correct, the order and all variables are correct, but
>                 then openSIPs sends the INVITE out it fails to modify
>                 it at all.
>                 
>                 I was using:
>                 
>                 
>                 $ru='sip:' + $rU + '@' + $rd + ';npdi=yes' + ';rn=' +
>                 $avp(s:lrn);
>                 
>                 
>                 
>                 now
>                 $ru='sip:' + $rU + ';npdi=yes' + ';rn=+1' +
>                 $avp(s:lrn) + '@' + $rd;
>                 
>                 
>         
>         maybe 
>         that should go out if $avp(s:lrn) is not null(otherwise you
>         should see errors in the syslog/messages).
>         can you post the output of
>         ngrep '11235559999'  port 5060 -Wbyline -q -dany -t
>         
>         ?
>         Is there any other place where you manipulate $ru?
>         (failure_route or somewhere else)
>         
>         -Laszlo
>         
>         
>         
>         
>         
>         
>          
>                 Before the INVITE would look like:
>                 
>                 INVITE sip:+11235559999 at 1.1.1.1;npdi=yes;rn=
>                 +11235559999 SIP/2.0
>                 
>                 but now it should look like INVITE sip:
>                 +11235559999;npdi=yes;rn=+11235559999 at 1.1.1.1 SIP/2.0
>                 
>                 it currently looks like INVITE sip:
>                 +11235559999 at 1.1.1.1 SIP/2.0.
>                 
>                 Any ideals why just the positions of the AVPs and the
>                 other text would matter? I think it's weird when I use
>                 xlog() to print what $ru is set to it shows the
>                 correct value just OpenSIPs does not modify the
>                 INVITE. Not sure if anyone else has ran into this on
>                 the list or not.
>                 
>                 
>         
>         
>         
>         
>         
>         
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> 
> 
> 
> 
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-- 
Brad Bendy
Chief Technical Officer
brad.bendy at benganetworks.com

Benga Networks, LLC.
10115 E. Bell Rd, Ste. 107-451
Scottsdale, AZ 85260-2189

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