We have a couple of cisco SPA phones and 3CX softphones behind a NAT firewall in
a remote location. Firewall is connected to a bridged router which connects them
to the public internet.
Router 5.6.7.8
Firewall 5.6.7.9 (gateway 5.6.7.8)
Cisco SPA phone 192.168.1.4
Softphone 192.168.1.5
When these phones try to register, this is what we see on the Asterisk side:
The source IP of the softphones appear to be 5.6.7.9 (ip of the firewall)
whereas the source IP of the hard phones are 5.6.7.8 (ip of the router) for some
reason. What might cause the discrepancy? We would like to have the source to
show up as 5.6.7.9 (IP of the remote firewall).
Thanks,
Matt
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