Hello,

Thanks for your reply

Here is the field
Reason: Q.850;cause=047

I've tried it in the failure_route block (using t_on_failure before relaying a SIP INVITE).

If I print the From header using $hdr(From) ou @message.header.From, it works, but it is not the case with @message.header.From.params["tag"] for ex.

In this case, I also have a parsing error in log file
ERROR: <core> [parser/parse_param.c:505]: parse_param(): parse_params(): Invalid character, ; expected

On Fri, Feb 7, 2014 at 1:17 PM, Daniel-Constantin Mierla <miconda@gmail.com> wrote:

Hello,

can you paste the header here and how you used it in the config? Have tried to print it with xlog or in some other expression? Also, in what kind of routing block you try to get it?

Cheers,
Daniel

On 07/02/14 13:14, Tuan Viet Nguyen wrote:
Hello,

How to get ISUP cause in the 'Reason' header field of SIP error reply ?

I've tried a few ways but it did not work
@message.header.Reason.params["cause"]

or
$hdr(Reason) gives null

Thanks,
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