[Serusers] OPTIONS method
nils at ohlmeier.de
Tue Mar 11 14:30:35 CET 2003
OPTIONS is a request which determines the capabilities of the destination. A
UA or a proxy should answer with its supported features (see RFC for
I think Ser is currently not able to answer such a request correctly. But i
have never seen a UA which queried the server. You can send an OPTIONS
whenever you want, for example to change the connection with a re-INVITE,
allthough it makes more sence to query the capabilities before a connection.
But OPTIONS is also used for "traceroute" (see RFC for details, and sipsak for
an implementation) because it do not establish a call to the UA.
On Tuesday 11 March 2003 05:04, Greg Fausak wrote:
> What, if anything, should the SER server do with a
> OPTIONS method?
> I am receiving this method, from a phone, right after the
> phone makes a conversation. That is, the final ACK is
> sent from the phone and a call is in progress when the phone decides
> to send an OPTIONS message. I thought OPTIONS was a pre-call
> sort of thing, not for the current call.
> Anyway, I thought I could just capture the OPTIONS method and send
> a 486 busy reply with sl_send_reply(). Didn't work.
> Serusers mailing list
> serusers at lists.iptel.org
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