Hello
I have two Cisco 7940 phones with private addresses (10.0.11.239 and
10.0.11.140) connected to Asterisk.
Asterisk is also with private address (10.0.0.135), but in another network.
Between the networks I have a Checkpoint Firewall-1NG
The Cisco IP phones can register because the REGISTER packets arent blocked.
But the INVITEs never reach Asterisk , because the Firewall drops them,
saying there was an illegal redirection.
The most strange part, is that, when I try to make a phone call from
PhoneA(10.0.11.239) to PhoneB(10.0.11.240), the INVITE is dropped before
reaching Asterisk, and it says "Illegal redirection
10.0.0.135->10.0.11.240". How can the firewall know that the INVITE was
going to be redirected by Asterisk to PhoneB(10.0.11.240) ????
Joao Pereira
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