Re: what is the correct response code for CANCEL on REFER or SUBSCRIBE

It really doesn't matter much. 

You don't want to use 405, because that would claim you didn't support
CANCEL at any time for this RURI, even for INVITE.

403 or 603 are safe responses.

Using a 200 OK won't break anything. Remember, accepting a CANCEL
doesn't mean the request it's trying to cancel will _be_ cancelled.

RjS

On Wed, 2003-10-01 at 02:01, Jay Morris wrote:
> Hi
> Since CANCEL is illegal for REFER and SUBSCRIBE requests, what is the
> correct response code when receiving such CANCEL?
> I thought about "403 Forbidden" or "405 Method Not Allowed"
> what do you say?
>  
> Jay
> 
> 
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