[SIPForum-discussion] OPTIONS from

[bhanu gowda]

Adding some info for your query

You can differentiate between OPTIONS arrived from server and OPTIONS
arrived from another endpoint registered with same server by checking the
Request URI i.e "The target of the OPTIONS request is identified by the
Request-URI,
   which could identify another UA or a SIP server" and by Contact header
i.e Who is originator.

Regards
Bhanuprakash HP

On Mon, Jan 3, 2011 at 11:17 AM, bhanu gowda <prakashec1983 at gmail.com>wrote:

> Hi Aarif,
>
> Option method is used by UA to  query the capabilities of next
> peer(UA,Proxy ).The capabilities may include
> Supported-methods,Content-type,Codec etc
>
> For your query
>
> 1>Server------>Option method-------->Peer
>
> In this case if there is no Dynamic binding b/w Server & peer.Option method
> will be used as a Keep-alive mechanism between  two entities.
>
> In my project Media server used to send an Option method as Keep alive
> mechanism to our Call-server.
>
> 2>Peer---->Option methos------------>Server
>
> In this case Option method is sent by Peer (UA )to  query
> the capabilities of Server or may it possible  UA sent an Option method  for
>  Keep-Alive mechanism also .
>
> Folks correct me if am wrong.
>
>
> Regards
> Bhanuprakash HP
>
>
>
>
>
> On Fri, Dec 31, 2010 at 12:56 PM, aarif faridi <faridi.aarif at gmail.com>wrote:
>
>> Hi All,
>>
>> Could anybody tell me how to differentiate between OPTIONS arrived from
>> server and OPTIONS arrived from another endpoint registered with same
>> server?
>>
>> --
>> Regards,
>> Aarif
>>
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