I really think it depends on how you are using the ATA. Are you using it as h.323, skinny, MGCP, or SIP gateway. You will need to make sure your NAT device supports what ever signally protocol that you are using.
1. The NATIP should be you public IP Address of your NAT server. Thats the IP address that the world sees you.
2. The NAT port number.
Once you done that, you will have to define port forwarding on your NAT router. Basically every time that you receive sessions heading for that port you will forward that to your internal NAT base ATA IP address.
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...