In my opinion, try to replicate the whole leg of your setup in your test lab then sniff the traffic. Tedious but it will help.
On Nov 21, 2007 2:20 PM, alois blasbichler <[EMAIL PROTECTED]> wrote: > Quoting Chris Tobkin <[EMAIL PROTECTED]>: > > > What kind of VoIP phone are you using? > > I am using a Snom 300 phone > > Thanks > luis > > > > > // Chris > > > > > -----Original Message----- > > From: Mailing list for discussion of Firewall-1 > > [mailto:[EMAIL PROTECTED] On Behalf Of alois > > blasbichler > > Sent: Monday, November 19, 2007 3:53 AM > > To: [email protected] > > Subject: [FW-1] voip-telefon behind 2 Firewalls > > > > Hello list > > > > We have the problem, that a voip-telefon does not work. > > The problem seems : The voip-telefon does not register to the > > voip-provider. > > The voip-telefon is behind 2 firewalls, our checkpoint firewall and a > > Cisco-Pix-Firewall from our provider. > > > > The strange is: with only our Checkpoint the voip-telefon works fine, > > with only the Cisco-Pix-Firewall the voip-telefon works fine. Seems that > > the combination of the 2 Firewalls is the problem. > > > > We have tried a lot of things, with NAT, without NAT, with a > > VOIP-DoMain, without ... > > We have installed NGX R65 - our Checkpoint is a Cluster (Load > > Balancing). > > There is no way .... > > > > Maybe somebody have a silimar topology wroking o can give me some help. > > > > Thank you very much in advanced > > luis > > > > > > Scanned by Check Point Total Security > > > > ================================================= > > To set vacation, Out-Of-Office, or away messages, send an email to > > [EMAIL PROTECTED] > > in the BODY of the email add: > > set fw-1-mailinglist nomail > > ================================================= > > To unsubscribe from this mailing list, > > please see the instructions at > > http://www.checkpoint.com/services/mailing.html > > ================================================= > > If you have any questions on how to change your subscription options, > > email [EMAIL PROTECTED] > > ================================================= > > > > > > > > -- > dr. Alois Blasbichler > Informatikabteilung - ripartizione informatica > Sanitätsbetrieb Brixen - Azienda Sanitaria di Bressanone > Dantestr. 53 39042 Brixen - Via Dante 53 39042 Bressanone > tel. 0472/812087 > mailto:[EMAIL PROTECTED] > http://www.sb-brixen.it > > > ================================================= > To set vacation, Out-Of-Office, or away messages, > send an email to [EMAIL PROTECTED] > in the BODY of the email add: > set fw-1-mailinglist nomail > ================================================= > To unsubscribe from this mailing list, > please see the instructions at > http://www.checkpoint.com/services/mailing.html > ================================================= > If you have any questions on how to change your > subscription options, email > [EMAIL PROTECTED] > ================================================= > ================================================= To set vacation, Out-Of-Office, or away messages, send an email to [EMAIL PROTECTED] in the BODY of the email add: set fw-1-mailinglist nomail ================================================= To unsubscribe from this mailing list, please see the instructions at http://www.checkpoint.com/services/mailing.html ================================================= If you have any questions on how to change your subscription options, email [EMAIL PROTECTED] =================================================
