TCP UDP Port Usage – CUCM Voice Gateway and Gatekeeper It is very important to know the port numbers being used by the devices we work on as it makes life easier. If you are aware of the port numbers, it becomes little easier to
Hello All, Why Gatekeeper Redundancy? – There might be few scenarios where for some reason the router might go hard down or the link. If the Gatekeeper is down, the inter-cluster calls will not work if until and unless the GK comes up. In those
A Gatekeeper is an H.323 device that provides services like Address Translation, Bandwidth Management, Accounting and Dial Plans that helps to centralize in order to provide scalability. Let’s say, you have 5 sites with different dial-patterns/plans and you might want to route the calls, imagine
Hello All, H323 RAS Messages exchanged between the endpoints and the Gatekeeper. In the last post, we configured the Gateway (CME) and Gatekeeper. Today, let’s discuss about the RAS Messages exchanged between the endpoints and the Gatekeeper. Gatekeeper Discovery GRQ (Gatekeeper_Request) A message sent by