[asterisk-users] SIP OPTIONS... Error?

[Alex Balashov]

On 09/19/2011 01:16 PM, Alex Vishnev wrote:

> no, you need a tag i.e From: <sip:ping at XX.XX.XX.XX>;tag=xxxxxxx, where
> xxxxxx is a unique identifier
>
> see the definition of SIP Dialog
>
> Dialog: A dialog is a peer-to-peer SIP relationship between two
>           UAs that persists for some time.  A dialog is established by
>           SIP messages, such as a 2xx response to an INVITE request.  A
>           dialog is identified by a call identifier, local tag, and a
>           remote tag.  A dialog was formerly known as a call leg in RFC
>           2543.

OPTIONS requests don't create a dialog, just a transaction.

-- 
Alex Balashov - Principal
Evariste Systems LLC
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