[Freeswitch-users] Using an Empty FROM field for SIP Messages

[Matthew Fong]

Yes, they do not consider "" an empty caller id string. Here is a reply to
the email

Matt,



Please change the  following  FROM : ""
<sip:jsmith at 208.76.54.59>;tag=pjUp5yDSHtDXQ
  to :   FROM : <  @208.76.54.59> ; tag…..  or    FROM:  @208.76.54.59;
tag…..



Dumitru


of course there is no IETF justification, it's much easier for them to
hangup on me. :( I know it's a problem with airespring and not freeswitch, I
just thought maybe there would be a hack. thanks anyway.

--matt

On Fri, Feb 11, 2011 at 8:52 AM, Michael Collins <msc at freeswitch.org> wrote:

>
>>>>>> with the From: field looking like any of the following
>>>>>>
>>>>>> From: <sip:jsmith at beta-org.com>;tag=13456
>>>>>> From: <  @208.76.54.59>;tag=13456
>>>>>> From:  @208.76.54.59;tag=13456
>>>>>>
>>>>>> Let me get this straight - they are barfing on empty double quotes?
> They don't actually consider that an empty caller ID? Can you have them give
> you written justification that one SHOULD consider "" to mean anything other
> than an empty string in this context? Any IETF references would be most
> appreciated.
>
> -MC
>
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