>Jerry has already clarified in a previous reply that he is running SIP over TCP, not UDP. >But he hasn't clarified on which machine he is applying the iptables header rewrite rules (10.201, or 1.3?).
>Either way though, it seems like a kludgy work-around. IMO, it'd be better to focus on creating the correct Asterisk peer configuration for the peer >that is operating on the non-standard separate port, and don't use any packet-header mangling at all. >Jerry, can you post your configuration for the peer in Asterisk? (eg from sip.conf) >Pete Hi Pete, I am running iptables on the 10.201 machine. I have not control over the other machine. It is a microsoft lync product. my definition... [MyTrunk] type=friend dtmfmode=rfc2833 disallow=all allow=ulaw allow=alaw context=my-incoming host=192.168.1.3 ;port=5068 canreinvite=yes qualify=yes transport=tcp I have tried it with or without the port=5068. Jerry
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