6.3. Using R2MF Signaling with Voice Boards

The Voice Software support for R2MF signaling is based upon Global Tone Detection and Global Tone Generation.

The following R2MF functions allow you to define R2MF tones for detecting the forward signals and to play the backward signals in the correct timing sequence required by the compelled signaling procedure:

r2_creatfsig( ): Create R2MF Forward Signal Tone

r2_playbsig( ): Play R2MF Backward Signal

See the Voice Software Reference: Programmer's Guide for a detailed description of these functions.

Four sets of defines are provided to specify the 15 Group I and 15 Group II forward signals, and the 15 Group A and 15 Group B backward signals. Table 8, Table 9, Table 10, and Table 11 in Section 6.2.3. R2MF Signal Meanings provide a list of these defines.

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