Avaya BCM 4.0 Networking Guide de configuration télécharger pdf (Page 87)

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Chapter 5 Configuring application resources 87

BCM 4.0 Networking Configuration Guide

For the purposes of calculating DSP resources, we can estimate the relative power of each

configuration as follows:

• 4 MS-PEC I 24 units

• 2 MS-PEC III 64 units

• 4 MS-PEC III 128 units

The number of DSP resources you need depends on the features and type of codec you are using.

Refer to Appendix C, “Codec rates,” on page 721.

• Dial-on-Demand WAN uses 1 unit for each 64Kbit/s channel.

• Voice Mail, IVR, and contact center use 1 unit for each active session.

• Fax uses 6 units for each active fax channel.

• IP telephone or IP trunk using G.711 codec uses 1 unit.

• IP telephone or IP trunk using G.729 codec uses 3 units.

• IP telephone or IP trunk using G.723 codec uses 4 units.

Voice bus path

There are 62 voice bus paths available on BCM.

• Voice mail and IVR use one voice bus path for each active session.

• Dial-on-Demand WAN uses one voice bus path for each 64Kbit/s channel that is active.

• IP telephones and IP trunks require one voice bus path when ever a media channel is required.

Media gateways

One media gateway is required for each call:

• from an IP telephone to an analog or digital telephone

• from an IP telephone using a PSTN line

• from an analog or digital telephone using an IP trunk

Note: Some of the DSP resource units in the preceding list are rounded to the nearest

whole number. This is done to ease the calculation of the DSP resources you require. To

calculate more accurate DSP requirements, use the DSP resource units in shown in the

following table.

Table 12 DSP resource requirements

Feature or codec Resource units on an MS-PEC I Resource units on an MS-PEC III

G.729 3 2.75

G.723 4 4.2

Fax 5 6

T. 3 8 I P Fa x 5 6

IVR Fax 6 6

1 2 ... 82 83 84 85 86 87 88 89 90 91 92 ... 757 758

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Avaya BCM 4.0 Networking Guide de configuration Page 87

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