MY idea, just registrar send keep-alive for each its conact, for example after 30 sec.
Bu, Wenfei (Leo) wrote: > I don't know what kind of NAT you are using, but for some specific NAT, > incoming packets couldn't refresh the binding on NAT router. > > -----Original Message----- > From: Ivar [mailto:[EMAIL PROTECTED] > Sent: 2007年4月19日 10:50 > To: Bu, Wenfei (Leo) > Cc: [email protected] > Subject: Re: [Sip-implementors] registrar keep-alive > > > Yep thats one option, but register message bigger, more over head when > to send just some keep-live bytes. > > Any comments welcome ... . > > > Bu, Wenfei (Leo) wrote: > >> How about setting the registrar with a smaller registration interval? So, >> the UA will send a Register before the NAT binding goes expired. >> >> -----Original Message----- >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ivar >> Sent: 2007年4月19日 8:12 >> To: [email protected] >> Subject: [Sip-implementors] registrar keep-alive >> >> Hi, >> >> Is it allowed or wise for registrar server to send keep-alive packets to >> registered contacts ? >> >> Many SIP devices don't send keep-alive and router expires NAT session. >> >> _______________________________________________ >> Sip-implementors mailing list >> [email protected] >> https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors >> >> > > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
