
2-16 Site preparation
553-4001-111 Standard 1.0 March 1997
Calculating calls per hour
This section describes how to calculate the number of calls which can be
supported by your Meridian MAX in a variety of scenarios.
Describing calls per hour
The maximum number of calls per hour (cph or call rate) for a Meridian
MAX is calculated as simple calls per hour.
A simple call per hour is an external call which enters an ACD-DN,
answered by an agent servicing that ACD-DN, and released. This scenario
generates five HSL messages. A simple abandoned call generates two HSL
messages. There are more HSL messages when the call is routed through
CCR, IVR, NACD, and so on.
In Meridian MAX 8, the maximum call rates (when using most of the
features) have been reduced to accommodate new features which require a
significant amount of disk space and memory.
The maximum sustainable call rate varies depending on the load on the
Meridian MAX, which depends on the features being used at the time. The
peak call rate (a rate greater than the maximum sustainable call rate) is
difficult to determine since it will adversely affect the performance of the
various features.
The effects are different depending on the set of features. One guideline is
that the peak call rate can only be sustained for a maximum of 30 seconds.
The call rates stated are the rates that the Meridian MAX can support. The
Meridian 1 may support maximum/peak call rates higher or lower than the
Meridian MAX can support.
Call rates at full load
A fully loaded Meridian MAX has almost every feature in use to its
maximum capacity with certain events occurring during peak day service.
This causes the system to use more CPU and I/O resources.
This is a list of the most common features and events which consume a
large amount of CPU and I/O resources.
• These options, which can be purchased, must be enabled: MTE, CCR,
NACD, CC, NAC, MQA, and MSI.
• These options, which can also be purchased, are set to their maximum:
number of queues, positions, LAN supervisor sessions, MEI-Network
links, and MEI-Observe links.
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