[Freeswitch-users] Sip Headers advice (Not parsing properly)

[Anthony Minessale]

I think the standard for X- is inherited from it's daddy: HTTP and in
turn from it's daddy: SMTP



On Mon, Aug 1, 2011 at 8:55 PM, Ken Rice <krice at freeswitch.org> wrote:
> X- is not covered in any RFCs for SIP, however P- is covered...
>
> X- is as you said kinda along for the ride
>
>
> On 8/1/11 8:07 PM, "Andy Spitzer" <woof at iwoof.org> wrote:
>
>> Woof!
>>
>> On Aug 1, 2011, at 18:12 , Anthony Minessale wrote:
>>
>>> maybe you should tell Cisco that they are supposed to start
>>> nonstandard headers with X-
>>
>> That's always been the convention, but there has been some noise about
>> deprecating the use of the X- prefex in general  (see
>> http://tools.ietf.org/html//draft-saintandre-xdash-03).
>>
>> For SIP, I believe the convention was never codified into any standard, and it
>> just came along for the ride with the other RFCS that it "inherited" from
>> (such as HTTP).  So much as I like to rag on Cisco for non-standard SIP
>> implementations, this is not one of them.
>>
>> --Woof!
>>
>>
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-- 
Anthony Minessale II

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