Gatekeepers are interesting devices that can be used for a variety of purposes within our Dial-Plans.
Some mandatory gatekeeper functions include Address Translation, Bandwidth Control and Zone Management.
One thing to note is that gatekeepers do NOTget involved with Codec Negotiation and any form of Digit Manipulation.

According to IP Expert instructor, Mark Snow “most students I’ve taught have the biggest problems with H323 Gatekeepers and……..“.

This statement is so true, considering that there are thousands of Call Manager deployments out there that don’t use gatekeepers.
I’ve been quite fortunate to work on an account that simply cannot function without gatekeepers because of the sheer amount of intra-cluster and inter-cluster communications spanning the entire globe.

I plan to dedicate a couple of blog-posts to this monstrous component of any large-scale dial-plan deployment.


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