2007/6/19, Jerry Richards <[EMAIL PROTECTED]>:
> I am subscribing to message-summary events and then, at a later time,
> unsubscribing.
>
> Here is the unsubscribe scenario:
>
> 1) My UA invokes nua_unsubscribe().
> 2) Sofia-sip correctly transmits the SUBSCRIBE message with Expires=0
> 3) The SIP server replies to this with a 401 Unauthorized Message
> 4) Sofia-sip re-sends the SUBSCRIBE message with authorization, but
>    WITHOUT the Expires field (SHOULD STILL BE Expires=0)
> 5) Sofia-sip reports Event Callback: 100 Request Authorized by Cache
> 6) The SIP server replies with 489 Event Header Missing
>
> Is this a bug?  Or am I doing something wrong?

Looks like a bug.

-- 
Pekka.Pessi mail at nokia.com

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