According to past mailing list postings made here, give this a try

http://wiki.freeswitch.org/wiki/Variable_ignore_display_updates

From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Mickael Hubert
Sent: Friday, March 8, 2013 12:02 AM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] Delete X-FS-Support header

Hi all,

indeed, it's interop issue.

I want delete entirely this header

thanks

2013/3/7 Brian West <brian@freeswitch.org>

Why do you wish to remove them?  Is it an interop issue?
--
Brian West
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On Mar 7, 2013, at 6:38 AM, Mickael Hubert <m.hubert@hexanet.fr> wrote:

> Hi list,
> I want delete X-FS-Support header in INVITE message.
> But this command "<action application="bridge" data="{ignore_display_updates=true}sofia/gateway/provider/18005551212"/>" is not OK
>
> Have you a other command (or any things else) to delete this header please ?
>
> Thanks
>

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