Here is a list of all documented class members with links to the class documentation for each member:

### - i -

- iaf : t30_state_s, t31_t38_front_end_state_t, t38_terminal_front_end_state_t
- iavgp : lpc10_decode_state_s
- ident : t30_exchanged_info_t
- idle_octet : hdlc_tx_state_s
- im : complex_t, complexf_t, complexi16_t, complexi32_t, complexi_t
- ima_byte : ima_adpcm_state_s
- image_buffer : t4_state_s
- image_buffer_size : t4_state_s
- image_carrier_attempted : t30_state_s
- image_data_mode : t38_gateway_core_state_t, t38_non_ecm_buffer_state_s
- image_length : t4_state_s
- image_size : t30_stats_t, t4_state_s
- image_width : t30_state_s, t4_state_s
- impulse_coeff : g1050_segment_constants_t, g1050_segment_state_t
- impulse_height : g1050_segment_constants_t, g1050_segment_state_t
- in : t38_gateway_hdlc_state_t
- in_bits : t38_gateway_to_t38_state_t
- in_bytes : t31_state_s
- in_digit : dtmf_rx_state_s
- in_octets : t38_non_ecm_buffer_state_s
- in_progress_rx_indicator : t38_gateway_t38_state_t
- in_ptr : t38_non_ecm_buffer_state_s
- in_rows : t38_non_ecm_buffer_state_s
- in_training : v17_tx_state_s, v27ter_tx_state_s, v29_tx_state_s
- inbuf : lpc10_encode_state_s
- input_phase : t38_non_ecm_buffer_state_s
- inter_frame_flags : hdlc_tx_state_s
- inverse_station_id_order : nsf_data_t
- iovoic : lpc10_decode_state_s
- ipitch : lpc10_frame_t
- ipito : lpc10_decode_state_s
- ipo : lpc10_decode_state_s
- ipoint : lpc10_encode_state_s
- iptold : lpc10_decode_state_s
- iptr : queue_state_s
- ira_type : t30_exchanged_info_t
- irc : lpc10_frame_t
- irms : lpc10_frame_t
- isp_type : t30_exchanged_info_t
- isync : lpc10_encode_state_s
- its_black : t4_t6_decode_state_s
- itu_test_mode : g722_decode_state_s, g722_encode_state_s
- ivbuf : lpc10_encode_state_s
- ivoico : lpc10_decode_state_s
- ivp2h : lpc10_decode_state_s