[Freeswitch-users] Exporting Diversion Header Twice
Michael Jerris
mike at jerris.com
Thu Apr 24 16:28:55 MSD 2014
Option 2 should work fine.
On Apr 23, 2014, at 6:48 PM, Sanjiv Kumar <sanjiv at simple2call.com> wrote:
>
> 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 at 10.10.10.10>;reason=user-busy;counter=3;privacy=off|:<sip:18005552323>;reason=no-answer;counter=1;privacy=off
>
> <extension name="public_did">
> <condition field="destination_number" expression="^9999(\d{10})$">
>
> <action application="set" data="ocn=18005551212"/>
> <action application="set" data="rdn=18005552323"/>
>
> <action application="push" data="sip_h_Diversion =<sip:${ocn}@${network_addr}>;reason=user-busy;counter=3;privacy=off"/>
> <action application="push" data="sip_h_Diversion =<sip:${rdn}@${network_addr}>;reason=no-answer;counter=1;privacy=off"/>
>
> <action application="set" data="hangup_after_bridge=true" />
> <action application="set" data="continue_on_fail=true"/>
>
> <action application="transfer" data="1001 XML default"/>
> </condition>
> </extension>
>
>
> OPTION 2
> If I use export with “,” then I get the following results:
> Diversion: <sip:19082302337 at 216.1.185.103>;reason=user-busy;counter=3;privacy=off,<sip:13216938059 at 216.1.185.103>;reason=no-answer;counter=1;privacy=off
>
> <extension name="public_did">
> <condition field="destination_number" expression="^9999(\d{10})$">
>
> <action application="set" data="ocn=18005551212"/>
> <action application="set" data="rdn=18005552323"/>
>
> <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 "/>
>
> <action application="set" data="hangup_after_bridge=true" />
> <action application="set" data="continue_on_fail=true"/>
>
> <action application="transfer" data="1001 XML default"/>
> </condition>
> </extension>
>
>
> OPTION 3
> Setting a specific array element I get the following result
>
> Diversion: ARRAY::<sip:19082302337 at 216.1.185.103>;reason=user-busy;counter=3;privacy=off}|:<sip:13216938059 at 216.1.185.103>;reason=no-answer;counter=1;privacy=off
> <extension name="public_did">
> <condition field="destination_number" expression="^9999(\d{10})$">
>
> <action application="set" data="ocn=18005551212"/>
> <action application="set" data="rdn=18005552323"/>
>
> <action application="set" data="sip_h_Diversion[0] =<sip:${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"/>
>
> <action application="set" data="hangup_after_bridge=true" />
> <action application="set" data="continue_on_fail=true"/>
>
> <action application="transfer" data="1001 XML default"/>
> </condition>
> </extension>
>
>
>
>
>
>
>
>
> From: Steven Ayre [mailto:steveayre at 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 at 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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