If you are using H.323, one methodology to overcome NAT boundaries is to use Cisco's Multimedia Conference Manager. The MCM has a proxy capability so that voice streams can originate from a NAT address and convert to a valid IP address. Look at http://www.cisco.com/warp/public/732/net_enabled/mcm/
I've looked around for a firewall/proxy server which would support H323 and pass RTP traffic through networks which were NAT'ed. The PIX doesn't do it, you will have some success looking at aravox [voiceshield] although I have not performed a hands-on evaluation yet.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...
If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
No. You will only need the SRST licenses on the primary router. Because this feature...