I have tried following three options and I don’t multiple diversion header.

OPTION 1

If I use “push” application, I get the diversion field like below

Diversion: ARRAY::<sip:18005551212@10.10.10.10>;reason=user-busy;counter=3;privacy=off|:<sip:18005552323>;reason=no-answer;counter=1;privacy=off

<action application="push" data="sip_h_Diversion =<sip:${ocn}@${network_addr}>;reason=user-busy;counter=3;privacy=off"/>

<action application="push" data="sip_h_Diversion =<sip:${rdn}@${network_addr}>;reason=no-answer;counter=1;privacy=off"/>

</condition>

</extension>

OPTION 2

If I use export with “,” then I get the following results:

Diversion: <sip:19082302337@216.1.185.103>;reason=user-busy;counter=3;privacy=off,<sip:13216938059@216.1.185.103>;reason=no-answer;counter=1;privacy=off

<action application="export" data="sip_h_Diversion =<sip:${ocn}@${network_addr}>;reason=user-busy;counter=3;privacy=off, <sip:${rdn}@${network_addr}>;reason=no-answer;counter=1;privacy=off "/>

</condition>

</extension>

OPTION 3

Setting a specific array element I get the following result

Diversion: ARRAY::<sip:19082302337@216.1.185.103>;reason=user-busy;counter=3;privacy=off}|:<sip:13216938059@216.1.185.103>;reason=no-answer;counter=1;privacy=off

<action application="set" data="sip_h_Diversion[0] =<sip:${ocn}@${network_addr}>;reason=user-busy;counter=3;privacy=off"/>

<action application="set" data="sip_h_Diversion[1] =<sip:${rdn}@${network_addr}>;reason=no-answer;counter=1;privacy=off"/>

</condition>

</extension>

From: Steven Ayre [mailto:steveayre@gmail.com]
Sent: Wednesday, April 23, 2014 5:56 AM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] Exporting Diversion Header Twice

You could also try whether mod_sofia supports arrays for that variable

http://wiki.freeswitch.org/wiki/Dialplan_ARRAYS

On 23 April 2014 08:05, Dahlberg, David <david.dahlberg@fkie.fraunhofer.de> wrote:

Am Dienstag, den 22.04.2014, 12:40 -0400 schrieb Sanjiv Kumar:

> I am trying to export sip_h_Diversion header twice but I only see the
> last attempt on leg-B. It appears that second export attempt
> overwrites the first one.

[..]

> <action application="export" data=" nolocal:sip_h_Diversion =<sip:
> ${ocn}@${network_addr}>;reason=user-busy;counter=3;privacy=off"/>
> <action application="export" data=" nolocal:sip_h_Diversion =<sip:
> ${rdn}@${network_addr}>;reason=no-answer;counter=1;privacy=off"/>
>

(A) In Freeswitch/Sofia SIP you're not actually writing a header, but
you're writing a variable that in turn will tell mod_sofia to write a
header. If you write to the same variable a second time, you will
overwrite it.

(B) Sip (as good old RFC 822) allows for multiple headers in in multiple
formats. One possibility is actually adding multiple headers, the other
is having one header with multiple values, separated by comma.

So please try the following: Set the variable once, but with both
values, separated by comma. The result will be, that mod_sophia adds
indeed two separate headers.

Cheers
David

--
David Dahlberg

Fraunhofer FKIE, Dept. Communication Systems (KOM) | Tel: +49-228-9435-845
Fraunhoferstr. 20, 53343 Wachtberg, Germany | Fax: +49-228-856277
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