thanks Alex,<br><br>thanks for your reply,<br><br>is there any changes needed for resolving this issue , in sip.conf or need to change any dial parameter <br>i currently Use IP-to-IP Dialing with option 'm' , also sometimes i got 503 "Service Unavailable", <br>
is there any eay to resolve it , if anything then please tell me .out of 100 calls i got these errors in 25 calls.<br><br>regards<br><br><br><div class="gmail_quote">On Wed, Nov 11, 2009 at 10:55 AM, Alex Balashov <span dir="ltr"><<a href="mailto:abalashov@evaristesys.com">abalashov@evaristesys.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div><div></div><div class="h5">DHAVAL INDRODIYA wrote:<br>
<br>
> dear all,<br>
><br>
> what is the meaning of this<br>
><br>
> *Got SIP response 603 "Declined" back from XXX.XXX.XXX.XXX*<br>
><br>
> is it asterisk related issue , because sometimes my outgoing calls<br>
> working fine , and in a day for 2 to 3 hours it gives me this<br>
><br>
> my provider says its all fine there any one know meaning of this<br>
<br>
</div></div>It is a SIP failure reply that your provider is sending you<br>
periodically. Either there is a legitimate reason that they are<br>
denying some of your calls, or there is a problem on their end that<br>
they are not aware of and/or themselves do not understand.<br>
<br>
According to RFC 3261, the precise intended meaning of the 603<br>
Declined error message is:<br>
<br>
---<br>
<br>
21.6.2 603 Decline<br>
<br>
The callee's machine was successfully contacted but the user<br>
explicitly does not wish to or cannot participate. The response MAY<br>
indicate a better time to call in the Retry-After header field. This<br>
status response is returned only if the client knows that no other<br>
end point will answer the request.<br>
<br>
---<br>
<br>
In practice, 603s are often sent instead of 503 Service Unavailable<br>
because, strictly, 6xx-class final responses indicate that no further<br>
call attempts should be made by the sending user agent to that<br>
destination. This is not true of 4xx and 5xx-class errors.<br>
<br>
Also, why is your name rendered in all-capital letters? Have you<br>
considered becoming "Dhaval Indrodiya" instead of "DHaVAL INDRODIYA?"<br>
<br>
-- Alex<br>
<br>
--<br>
Alex Balashov - Principal<br>
Evariste Systems<br>
Web : <a href="http://www.evaristesys.com/" target="_blank">http://www.evaristesys.com/</a><br>
Tel : (+1) (678) 954-0670<br>
Direct : (+1) (678) 954-0671<br>
<br>
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</blockquote></div><br>