On 07/04/08 12:01, Victor Pascual Ávila wrote: > On Thu, Jul 3, 2008 at 2:23 PM, Jason Penton <[EMAIL PROTECTED]> wrote: > >> I would like to implement some functionality in usrloc to do a SIP ping >> (maybe using OPTIONS) before returning a contact making sure the contact is >> 'alive'? >> > > If the registered UA is alive, pinging before every usrloc (e.g. > OPTIONS) you just increase the call setup latency. > > If the registered UA is not alive, I'm afraid I don't see the > difference between pinging before every usrloc (e.g. OPTIONS) and > sending the corresponding INVITE- you still need to handle timeouts. > Perhaps an improvement will be to have the ability to mark a contact as expired if there is a local time-out after a lookup(location)+relay. Next calls to that user won't be relayed to the contact address again. But I guess there are a lot of exceptions and cases to be taken in consideration...
Cheers, Daniel -- Daniel-Constantin Mierla http://www.asipto.com _______________________________________________ Devel mailing list Devel@lists.openser.org http://lists.openser.org/cgi-bin/mailman/listinfo/devel
