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Chapter 4 Configuring the R2MFC MBM 43

R2MFC Media Bay Module Installation and Configuration Guide

The channels are always bidirectional, (that is, they accept incoming calls or originate outgoing

calls). The channel behavior also supports one-way trunks. The direction of the signal does not

need to be configured. Because the R2MFC MBM is passive, the R2MFC MBM does not initiate

calls; it only passes call origination attempts from one side to the other. The R2MFC MBM

assumes that the two sides (BCM and CO) respect the direction of the trunk as agreed between

them.

The meaning of the bit states are part of the country-specific parameters; however, they can be

customized through the CLI by using commands in the R2 directory.

The following are additional options included in country-specific parameters:

• use backward force-release signal to clear back (yes/no)

• release-guard state (timer) when clearing back (timer value)

• optional CD bits value (usually ignored)

MFC-R2. Physically, there are 15 forward signals and 15 backward signals. The standard defines

two stages of the signaling. The meaning of the signal depends on the stage and the direction of the

call. In total, there are four tables of 15 signals each. See Appendix A, “Config DIP switch settings

and definitions,” on page 85 for MFC country-specific signal tables.

The meaning of MFC signals can be different when transmitted or received. MFC signal tables are

part of the country-specific parameters. The meaning of the MFC signals in the R2MFC MBM are

configurable through the CLI by using commands in the MFC directory.

The following are other options included in country-specific parameters:

End of dialing (incoming)

End of dialing for an incoming call can be configured by using the CLI. See Table 2, for the end of

dialing options.

Table 2 Minimum (or fixed) number length + timer parameters (Sheet 1 of 2)

Option Parameters Meaning Default

Explicit ‘End of dial’ signal

(I-15)

None The preset option for all

countries. However, signal

has low significance, because

the end of dialing is

determined by the BCM (PRI

side) when it receives the last

digit of the number.

Yes

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Avaya R2MFC Guida di Configurazione Pagina 43