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8 swu [1 ] - switch up, 9 swp - poll dip switches, 10 off_hook - daa off hook – Cirrus Logic CDB6422 User Manual

Page 10: 11 on_hook - daa on hook, 12 d_reset - dtmf transceiver reset, 13 doff - dtmf transmit off, 14 dtmf [x] - dtmf transmit on, 15 kd [0..e] - keypad down event, 16 ku [0..e] - keypad up event, 17 st [x] - single tone transmit on

8 swu [1 ] - switch up, 9 swp - poll dip switches, 10 off_hook - daa off hook | 11 on_hook - daa on hook, 12 d_reset - dtmf transceiver reset, 13 doff - dtmf transmit off, 14 dtmf [x] - dtmf transmit on, 15 kd [0..e] - keypad down event, 16 ku [0..e] - keypad up event, 17 st [x] - single tone transmit on | Cirrus Logic CDB6422 User Manual | Page 10 / 30 8 swu [1 ] - switch up, 9 swp - poll dip switches, 10 off_hook - daa off hook | 11 on_hook - daa on hook, 12 d_reset - dtmf transceiver reset, 13 doff - dtmf transmit off, 14 dtmf [x] - dtmf transmit on, 15 kd [0..e] - keypad down event, 16 ku [0..e] - keypad up event, 17 st [x] - single tone transmit on | Cirrus Logic CDB6422 User Manual | Page 10 / 30