[asterisk-users] SIP response code 603

[DHAVAL INDRODIYA]

thanks Alex,

thanks for your reply,

is there any changes needed for resolving this issue , in sip.conf or need
to change any dial parameter
i currently Use IP-to-IP Dialing with option 'm' , also sometimes i  got 503
"Service Unavailable",
is there any eay to resolve it , if anything then please tell me .out of 100
calls i got these errors in 25 calls.

regards


On Wed, Nov 11, 2009 at 10:55 AM, Alex Balashov
<abalashov at evaristesys.com>wrote:

> DHAVAL INDRODIYA wrote:
>
> > dear all,
> >
> > what is the meaning of this
> >
> > *Got SIP response 603 "Declined" back from XXX.XXX.XXX.XXX*
> >
> > is it asterisk related issue , because sometimes my outgoing calls
> > working fine , and in a day for 2 to 3 hours it gives me this
> >
> > my provider says its all fine there any one know meaning of this
>
> It is a SIP failure reply that your provider is sending you
> periodically.  Either there is a legitimate reason that they are
> denying some of your calls, or there is a problem on their end that
> they are not aware of and/or themselves do not understand.
>
> According to RFC 3261, the precise intended meaning of the 603
> Declined error message is:
>
> ---
>
> 21.6.2 603 Decline
>
>    The callee's machine was successfully contacted but the user
>    explicitly does not wish to or cannot participate.  The response MAY
>    indicate a better time to call in the Retry-After header field.  This
>    status response is returned only if the client knows that no other
>    end point will answer the request.
>
> ---
>
> In practice, 603s are often sent instead of 503 Service Unavailable
> because, strictly, 6xx-class final responses indicate that no further
> call attempts should be made by the sending user agent to that
> destination.  This is not true of 4xx and 5xx-class errors.
>
> Also, why is your name rendered in all-capital letters?  Have you
> considered becoming "Dhaval Indrodiya" instead of "DHaVAL INDRODIYA?"
>
> -- Alex
>
> --
> Alex Balashov - Principal
> Evariste Systems
> Web     : http://www.evaristesys.com/
> Tel     : (+1) (678) 954-0670
> Direct  : (+1) (678) 954-0671
>
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