A number which accepts call-ins is unreachable.
Rebooting the modem can solve this problem. 1) ssh to cgnetswara.org and type "ping 10.0.0.3". 2) Reboot the modem over ssh by following the instructions: From the Swara prompt type:
ssh -l admin -p 2222 10.0.0.3
If you are not root, change to root: