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Category Archives: Gatekeeper

Configure H323 Gatekeeper

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

H323 Gatekeeper – RAS Messages

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

Configure H.323 Gatekeeper Redundancy using HSRP

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


Electrical Engineer CCNA Collaboration CCNA Voice CCNA R&S. I'm Electrical Engineer and I work like Support Engineer for a Telephony Service Provider Company. Before that I had position like Pre-Sale Engineer about small and medium multivendor telephony solutions. I have 5 years of experience working in Telephony Multivendor Projects. I am also 3 years of experience working in Support and implementation about Cisco Collaboration platforms: UCS server, UCM, Cisco Unity, Presence Server, Jabber, Gateway. Support Community is most useful in finding design, implementation and support tricks and shortcuts that greatly help me in my daily activities. If you need to contact me, please you can writte me.


CCNA Routing and Switching
Am a technology enthusiast. I work in network support providing support with implementation, maintaining and precisely troubleshooting the infra.
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