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cp7970g
2009 Nov 17
1
Cisco 7971 behind NAT
Hi all,
does anyone have any luck using a Cisco 7971 (SIP) behind NAT with two
different accounts on the same server (i.e. two different extensions)?
I am using Cisco-CP7971G-GE/8.3.0 and asterisk V1.4.something.
The phone sends SIP packets from a high-numbered UDP port but expects
a reply on port 5060. Fine, I do some magic with iptables to rewrite
the packets (which limits me to one phone at that location, unless I'm
mistaken). Incoming calls work fine on both ac...