I have an ISDN network as the following:
In main office PRI link.
In the branches BRI links.
see the attached.
I want only the main office which make the calls not the opposite.
I want the cost to be on the main office
I increased the idel-timeout and delete the string (telephone no.)in the branches so if the branch need to call he can't because there is no No. to call so only the main office able to call.
But, the problem when the router in a branch turn off there is no connection until the main office makes ping to make connection setup.
Do you have a solution for this problem instead of increasing the idel-timeout and deleting the telephone no. from the branch's router.