[c-nsp] Cisco 867 SIP & NAT

Mark Newton newton at atdot.dotat.org
Tue Jan 8 19:18:43 EST 2013


On Wed, Jan 09, 2013 at 11:05:41AM +1100, Andrew Yager wrote:


 > We have a client using a Cisco 867 with SIP based VoIP phones behind
 > it (not CCM).

Try "no ip nat service sip udp port 5060"

I've never observed the IOS SIP ALG to work correctly in the wild.

    - mark


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