Nortel Networks BCM1000 manual Protocol, Proxy, Pulse/tone dialing, Redundant systems, RAID board

266Glossary

protocol

A set of rules and procedures for exchanging data between computers or Business Communications Managers on a network or through the Internet.

proxy

A server that acts on behalf of another.

pulse/tone dialing

Pulse is the traditional method of dialing used by rotary-dial or push-button single-line telephones. Tone dialing allows telephones to communicate with other devices such as answering machines. You require tone dialing to access the features that PBX systems can provide or to use another system remotely.

Redundant systems

In terms of this product, the BCM1000 and BCM1000e units can be installed with redundant power supplies and redundant fans. Redundant power supplies provide two modules. The system runs off of one of the modules. If that module goes down, then the second module takes over. You can then remove the first module and replace it with a new module without turning off the system.

Quality of Service (QoS)

On the Internet and in other networks, QoS refers to guaranteed throughput level. QoS allows a server to measure, improve and, to some level, guarantee the transmission rates, error rates, and other data transmission characteristics. QoS is critical for the continuous and real-time transmission of video and multimedia information.

Q reference point signalling (QSIG)

QSIG is an ETSI standard signalling for multi-vendor peer-to-peer communications between PBXs and/or central offices. This is an International standard and not available in North America.

RAID board

This is the board that controls the mirrored disk system. It provides the controls that ensure that both hard disks are identical, as well as the capability to stop the mirroring process.

Random Access Memory (RAM)

Computer memory that stores data temporarily. RAM stores the data used by the microprocessor because it executes instructions. The contents of RAM are erased when you restart or turn off the Business Communications Manager.

Remote access

The ability to dial into an Business Communications Manager system from outside the system and use selected features. The Class of Service determines which lines, features, and dialing capabilities are available.

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