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Enabling the R2 Protocol
November 2009 347
The MFC inter-register protocol is specified through a subset of the
parameters in Table 17 on page 338 that define the following:
1. Signal meaning definitions (events).
2. Actions associated with a given signal event. These specifications
are used to create a set of state transition tables for the desired
variant.
3. Protocol control parameters.
The parameter set might require extensions as support is added for
variants unidentified at this time. In addition, for a given variant,
certain signals and actions might not be defined. This restricts the
way in which the protocol can move through the processing states.
groupB_LineConditions Structure of Group B called line
conditions indexed by enumeration
IISDN_R2MFCP_GROUP_B_
CALLED_LINE_CONDITIONS.
Only a subset of these signals are
used in a given protocol variant.
Set those that are not used to the
“invalid” tone code.
Refer to Table 22
Call Progress Signal Generation
cpSignals Array of IISDN_CPGEN_MF_
PARAMS structures that define
the characteristics of the RING and
BUSY call progress signals. RING
must be defined as cpSignals[0]
and BUSY must be defined as
cpSignals[1].
Refer to
Table 24
Table 19. R2 MFC Inter-register Signaling Parameters (Continued)
Name Description Units Range