[Freeswitch-users] SIP/2.0 482 Request merged vs 200 OK

Brian West brian at freeswitch.org
Mon May 18 12:37:24 PDT 2009

Is this in regards to FreeSWITCH or something else you're writing?


On May 18, 2009, at 2:34 PM, dujinfang wrote:

> On register, sometimes my voip client got SIP/2.0 482 Request merged
> sometimes got 200 ok.
> 482 also means loop detected. my client only has one account logged in
> only one place, and no proxy, can I take 482 as 200 OK?
> Thanks.
> from RFC 3261:
> " Merged Requests
>    If the request has no tag in the To header field, the UAS core MUST
>    check the request against ongoing transactions.  If the From tag,
>    Call-ID, and CSeq exactly match those associated with an ongoing
>    transaction, but the request does not match that transaction (based
>    on the matching rules in Section 17.2.3), the UAS core SHOULD
>    generate a 482 (Loop Detected) response and pass it to the server
>    transaction."

Brian West
brian at freeswitch.org

-- Meet us at ClueCon!  http://www.cluecon.com

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