[Freeswitch-users] Bypass-media and REFER method

[Anthony Minessale]

update to latest trunk and reproduce your problem with full debug enabled.

sofia profile internal siptrace on
console loglevel debug


On Wed, Feb 10, 2010 at 4:44 AM, Victor Maruani <vmaruani at interwise.com>wrote:

>  Hi,
>
>
>
> I can't have a blind transfer work properly if I use bypass-media=true.
>
>
>
> My first message may have been unclear, here I added excerpt from the
> dialplan:
>
>
>
>                 <!--- ext MyIVR -->
>
>                  <extension name="Extension MyIVR" continue="false">
>
>                    <condition field="destination_number"
> expression="^337$">
>
>                                    <action application="set"
> data="bypass_media=true"/>
>
>                                    <action application="bridge"
> data="sofia/internal/337 at 10.10.5.51"/>
>
>                    </condition>
>
>                  </extension>
>
>
>
>
>
>                 <!--- ext MyServ -->
>
>                  <extension name="Extension MyServ " continue="false">
>
>                    <condition field="destination_number"
> expression="^3341$">
>
>                                                 <action application="set"
> data="bypass_media=true"/>
>
>                                    <action application="bridge"
> data="sofia/internal/3341 at 10.10.5.48"/>
>
>                    </condition>
>
>                  </extension>
>
>
>
> The connection to MyIVR works. Then it sends Refer-to (3341 at ...) which
> fails as I described it in the previous mail.
>
>
>
> I would like to know if the feature has been validated and if I'm missing
> something in the configuration.
>
>
>
> Any help would be very appreciated.
>
>
>
> Thanks!
>
>
>
>
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Victor
> Maruani
> *Sent:* Sunday, February 07, 2010 5:01 PM
> *To:* freeswitch-users at lists.freeswitch.org
> *Subject:* [Freeswitch-users] Bypass-media and REFER method
>
>
>
> Hi,
>
>
>
> I'm trying to do a POC using FS, the goal is to have FS handle REFERs
> containing proprietary data.
>
> I want to have some logic on top of FS and also use the fail over
> mechanism.
>
> in short, I have something like this:
>
> (third party) A side  --- FS ---- B side (IVR server)
>
>
>
> the IVR the sends a REFER to FS. I don't want A to deal with it.
>
> now say B refers to C, it would be considered as a "group" C1, C2 ... to
> which I want FS to failover.
>
> only when one has answered should A be updated (REINVITE) and B notified
> and disconnected.
>
> if all fails I would expect B to be notified of the failure and proceed as
> I wish without "losing" A.
>
>
>
> from what I've read FS should be OK for the job but I have a couple issues:
>
>
>
> 1 ) I have some issues getting FS handle a REFER while in bypass-media
> mode.
>
> (I tried with the release and some revisions including latest)
>
> first when I bridge A and B everything is fine and media is bypassed.
>
> When B sends REFER to C:
>
> -           FS immediately NOTIFY B of success and send a reinvite to A
> with SDP containing its own media IP/port.
>
> -          then it does INVITE C with A's SDP.
>
> -          B gets disconnected. A is not updated with C's sdp.
>
> so at this point A sends RTP to FS and C sends RTP to A. …
>
>
>
> I basically have one extension for B: (set bypass-media and bridge to B)
>
> and another extension to C which does the same actions.
>
> what do you think I do wrong?
>
>
>
>
>
> 2 ) how can I catch the REFER and set variables from it? (like ref-by or
> ref-to)
>
> in the dial plan I do catch the INVITE sent to C, but how to do it with the
> REFER itself?
>
>
>
>
>
> thanks for your help!
>
>
>
>
>
> Best Regards,
>
> Victor.
>
>
>
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>
>


-- 
Anthony Minessale II

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