Dlink DG-104SH: Have configured as a H323 terminal on a non-gw mode. All these are configured as a RFC1483B with a static IP.
51.237.245.120- 51.237.245.128 is the IP given to various VOIP devices in various branches. Two more were added on a different IP range. Those two seem to be able to call the above Ip’s.But none of these IP’s are able to call the 2 newly added numbers.