Hi Jonathan, Thanks for your answer; However, I've try to modified ip for SDP only, and SDP + "Contact" field; it seems not work; do I need to modified other field, like "Via" ? Any idea?
Kevin ----- Original Message ----- From: "Jonathan Rosenberg" <[EMAIL PROTECTED]> To: "Kevin Yu" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Wednesday, January 02, 2002 12:32 PM Subject: Re: [Sip] call-id field > Basic SIP questions belong on the SIP implementors list, > [EMAIL PROTECTED] > > Performing NAT ALG on SIP does not require modification of the Call-ID, > To or From fields. Only the SDP really needs to be modified; the Contact > will need to be modified if the registrations are passing through the nat. > > -Jonathan R. > > Kevin Yu wrote: > > > Hi there, > > > > This is a newbie question: > > > > Is there anyone can point me out what is the implementation method to > > calculate Call-ID field in MSN v4.x version? > > > > The reason I ask is because I need to let MSN ver 4.x pass through our > > NAT > > device; and it seems that we can't just change the ip from local ip to > > public ip inside the SIP packets; something need to be changed in > > call-id > > field and/or tag field of From/TO; any idea? > > > > regards, > > Kevin > > ---------------------------------------- > > > > > > _______________________________________________ > > Sip mailing list http://www1.ietf.org/mailman/listinfo/sip > > This list is for NEW development of the core SIP Protocol > > Use [EMAIL PROTECTED] for questions on current sip > > Use [EMAIL PROTECTED] for new developments on the application of sip > > > > > > > -- > Jonathan D. Rosenberg, Ph.D. 72 Eagle Rock Avenue > Chief Scientist First Floor > dynamicsoft East Hanover, NJ 07936 > [EMAIL PROTECTED] FAX: (973) 952-5050 > http://www.jdrosen.net PH: (973) 952-5000 > http://www.dynamicsoft.com _______________________________________________ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
