X.25 Network

X.25 Introduction X.25 is the oldest Packet-Switched service, created even earlier than OSI model. It is designed for low data rate and high error-rate transmission facilities, and provides error correction and orderly delivery on hop-by-hop basis. X.25 specification defines the interface between DTE and DCE, while X.75 defines the interface between two x.25 networks. X.25 …

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High Availability between CUCM and H.323 Gateway

This post describes in great details about how to configure redundancy and customize relevant parameters between CUCM and H.323 Gateway. The following content can be divided into 2 sections: Redundancy configuration on CUCM side, dial-peer & timer configuration on H.323 Gateway side. Redundancy Configuration on CUCM side: Route Group Config: Add several gateways into Route …

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