Hi Vishaka,

If you send to a registrar a method which is not REGISTER you will get a response 501 
Method not implemented.

Greeting

Markus

Vishaka M <[EMAIL PROTECTED]> schrieb am 08.09.04 20:30:44:
> 
> Hi all
>  
> When a UAC is registered with that registrar/proxy, How do when find if the 
> registrar/proxy is unreachable  or down.  Can we send SIP OPTIONS periodically to 
> registrar/proxy as the RFC 3261 at sec 11 says "As is the case for general UA 
> behavior, the transaction layer can return a timeout error if the OPTIONS yields no 
> response.  This may indicate that the target is unreachable and hence unavailable" 
> can a registrar receive OPTIONS? if yes, how does it react to it?  or it receives 
> only Registers requests?
>  
> Is there a better way to find out if the proxy/registrar is reachable or not. thanks 
> visha
> 
>               
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