| current_digits (defined in dtmf_tx_state_t) | dtmf_tx_state_t | |
| current_sample (defined in dtmf_tx_state_t) | dtmf_tx_state_t | |
| digits (defined in dtmf_tx_state_t) | dtmf_tx_state_t | |
| tone_codes (defined in dtmf_tx_state_t) | dtmf_tx_state_t | |
| tone_descriptors (defined in dtmf_tx_state_t) | dtmf_tx_state_t | |
| tones (defined in dtmf_tx_state_t) | dtmf_tx_state_t |
1.4.7