[Freeswitch-users] Hiding Tech Prefix from Caller

[Andrew Cassidy]

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On 3 June 2014 05:04, Galen R. Lande <glande at act85.com> wrote:

> I've tried searching for the solution to this problem, but I've come up
> empty.
>
> I'm working with a gateway (FlowRoute) that requires a Tech Prefix be sent
> in the INVITE as part of the outgoing number.  I've implemented this in the
> dialplan as:
>
> <action application="bridge" data="sofia/gateway/
> sip.flowroute.com/123456*$1"/>
>
> While the call is successfully routed out, FreeSWITCH sends the same
> information back to the caller in the SIP transaction -- thus the caller's
> handset updates to read "123456*1231231234" instead of just "1231231234".
>  Not only is this something of a security concern (since the Tech Prefix is
> somewhat confidential), but it breaks many handset features such as redial.
>  The gateway requires the Tech Prefix in the INVITE header and will not
> accept it just in the "To" field.
>
> Any ideas on how I can force FreeSWITCH to effectively hide the Tech
> Prefix from the caller?
>
> Thanks!
>
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>
> 
> 
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-- 
*Andrew Cassidy BSc (Hons) MBCS SSCA*
Managing Director


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