Jeff Bachtel wrote: > On Tue, Sep 11, 2007 at 10:32:14AM -0400, Mike Clark wrote: > >> We have gotten stuck trying to get a highly available Asterisk cluster >> fully functional. We used Linux-HA with Asterisk 1.4.11 on privtae IP's >> behind the virtual public IP. I got as far as getting phones registered >> and being able to place calls that rang and you could answer, but there >> was no audio. So, I enabled RTP debugging and discovered Asterisk was >> still attempting to send the audio packets to the phones private >> address, even though the device was set up as NAT=yes. externip was set >> to the virtual public IP. >> > > Is that correct that Asterisk was sending to a RFC1918 address? From > your description of your setup, it seemed that the backend Asterisk > servers themselves had 1918 addresses, and your Polycoms would have > public addresses. > > In that case, the Asterisk instances might be using their 1918 > addresses in packets to the Polycoms. To correct that, the Asterisk > instances would need to use something like STUN or a preset public IP > address in its SIP configuration. > > jeff > > Yes, the Asterisk boxes were on private addresses. The Polycoms are also behind a NAT. Yes, I tried using externip in sip.conf and this allowed registration, and calls to be placed, but no audio. Unfortunately, Polycom does not support STUN.
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