To implement R2MF signaling the board must have sufficient memory blocks to create the number of user-defined tones required by your application. Your application may not need to detect all 15 forward signals, especially if you do not need to support R2MF signaling for international calls. If that is the case, your application can work with a reduced number of R2MF tones.
The D/12x, D/81A, and DIALOG/HD boards (for example, D/160SC-LS, D/240SC, D/240SC-T1, D/300SC-E1, and D/320SC) normally contain sufficient memory to create the necessary R2MF tones. However, you should be aware of the maximum number of user-defined tones (including non-R2MF tones) allowed on the board. Refer to Section 5.2.5. Maximum Number of Tone Templates, for more information.
The D/21D, D/4xD, D/21E, D/21H, D/41E, D/41ESC, D/41H, Dialog/4 and ProLine/2V boards may also be able to create all 15 R2MF tones due to the overlap in frequencies for the R2MF signals. If creating these tones exceeds the maximum number of tones allowed, you may be able to support R2MF signaling through a reduced number of R2MF user-defined tones. Refer to Section 5.2.5. Maximum Number of Tone Templates.
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