Hi,
Wondered if anyone out there can help me with SIP?
Using R55 on windows.
I have a SIP server (asterisk) internally. I wanted to
have staff at home using their SecureClients in Office
mode able to connect to the asterisk server to make
calls etc. When ever the software clients connect to
the server to register I get SIP errors on the
firewall
I've tried a number of combinations - with and without
Office mode, with and with out encryption and I get
errors like :
sip reason: Illegal redirection
xxx.xx.13.41->192.168.1.2
or
sip reason: Attack Info - Malformed SIP datagram,
OPTION message is out of state
or
message_info: Connection contains real IP of NATed
address
I have tried an number of rules but mainly along the
line of
Any VoipDomain SIP_any client_encrypt
where VoipDomain contains my internal network and the
asterisk server.
Should I abandon this and go for unencrypted traffic?
If I give the asterisk server a static nat address, it
it enough to use the VOIPDomain object as the
destination object?
Any help would be appreciated
Richard
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