[Freeswitch-users] Set b-leg CallerID using from in a 300 Multiple Choices reply

[Jospeh Waite]

Hi L.Popov

Now this would depend in what format your redirect server is sending the reply back. In my case I’m using Jerasoft VCS which is sending the re-written caller id in a per contact form with src_number= set.

I use the following in my redirect catching dial plan

       <condition field="${sip_redirect_contact_0}" expression="src_number=(.+)\;(.+)$">
            <action application="set" data="effective_caller_id_name=$1"/>
            <action application="set" data="effective_caller_id_number=$1"/>
        </condition>

        <condition field="${sip_redirect_contact_0}" expression="^<(.+)\>(.+)$">
            <action application="bridge" data="{sip_invite_from_uri=sip:${effective_caller_id_number}@${sip_network_ip}}sofia/external/$1" />
        </condition>

This catches the src_number in the first condition and updates the caller_id and then bridges the call in the second.

The one drawback is you would have to replicate this for each response your likely to have in the 300 response. So if it gives 3 different options to send the call to you would have to copy this 3 times, changing the sip_redirect_contact_0 and increasing the number on the end for each one.

Regards

> On 12 Feb 2018, at 18:07, Lyubo Popov <lpopov at blasterphone.com> wrote:
> 
> Hello Joseph,
> 
> I am having the same problem and would like to resurrect this post. Does someone knows how to do that? I send one CallerID to redirect server where this is being rewritten and receive another from it in the 300 response and would like to update this CID before sending to termination (b-leg)
> 
> Re.,
> L.Popov
> 
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> 
> On Tue, Jul 11, 2017 at 4:32 PM, Joseph Waite <joelists at tm.net.uk <mailto:joelists at tm.net.uk>> wrote:
> Hi Guys
> 
> I am trying to use the From field in a 300 Multiple Choices message to set the outbound CallerID in the re-directed b-leg
> 
> So call comes into FreeSwitch, gets sent out to a SIP Redirect server which replies with a 300 Multiple choices.
> I need to pull the number from the From field of this 300 Response and use it to set the From field, raid & Paid fields in the re-directed invite.
> 
> Any help would be very much appreciated.
> 
> Regards
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> Atenciosamente,
> ============================
> Lyubo Popov
> CEO - BlasterPhone LLC
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