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

[Bruce Ferrell]

Thank you Alex.  That was useful information.   The sip_ping.pl program 
I was using used to work without the tag.  It seems asterisk now demands it.

Bruce Ferrell

On 09/19/2011 10:18 AM, Alex Balashov wrote:
> 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.
>