# ACU_ALERT_IN

This topic describes:

- ACU_ALERT_IN protocol variants

- ACU_ALERT_IN macro descriptions and Q.931 IE

#### Purpose

Indicates an alert.

#### Conn_id

An allocated call.

## ACU_ALERT_IN protocol variants

The following table lists the variants under which each macro is supported for this primitive. In this table, x indicates both NT and TE sides.

Macro | 4 E S S | E 1 0 | N I 2 | D M S | E T S I | V N 6 | H K G | A U S T E L 1 | N T T | K O R E A | T A I W A N | Q S I G | D P N S S | T 1 6 0 7
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Acu_alert_in_a_display, Acu_alert_in_display_size |  |  | x |  | x | x |  | x | x | x | x |  |  | x
Acu_alert_in_a_display_list |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_a_ext_parms |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_a_facility, Acu_alert_in_facility_size |  |  |  |  | x |  |  |  |  | x | x | x |  |
Acu_alert_in_a_pcs_user, Acu_alert_in_pcs_user_size |  |  |  |  |  | x |  |  |  |  |  |  |  |
Acu_alert_in_a_q931, Acu_alert_in_q931_size | x | x | x | x | x | x | x | x | x | x | x | x | x | x
Acu_alert_in_a_redir_nb, Acu_alert_in_redir_nb_size | x |  |  | x |  |  |  |  |  |  |  |  |  |
Acu_alert_in_a_ss_cnip_name, Acu_alert_in_ss_cnip_name_size |  |  |  |  |  |  |  |  |  |  |  | x |  |
Acu_alert_in_a_uui, Acu_alert_in_uui_size | x | x |  |  | x | x |  |  | x | x | x |  |  |
Acu_alert_in_alert |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_call_ref_length |  |  | x |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_call_ref_value |  |  | x |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_data_chani | x | x | x | x | x | x | x | x | x | x | x | x | x | x
Acu_alert_in_data_chani_excl |  |  |  |  |  |  |  |  |  |  |  |  | x |
Acu_alert_in_data_chani_nai |  |  |  |  |  |  |  |  |  |  |  |  | x |
Acu_alert_in_data_chani_nb |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_data_chani_tab[i] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_data_chani_tab_nai[i] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_ext_parms_lgth |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_ext_parms_nb |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_pcs_user_protocol |  |  |  |  |  | x |  |  |  |  |  |  |  |
Acu_alert_in_progress_descr_x [i] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_progress_description |  | x | x | x | x | x |  |  | x | x | x |  |  | x
Acu_alert_in_progress_ind_nb |  | x | x | x | x | x |  |  | x | x | x |  |  | x
Acu_alert_in_progress_loc_x [i] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_progress_location |  | x | x | x | x | x |  |  | x | x | x |  |  | x
Acu_alert_in_redir_nb_plan |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_alert_in_redir_nb_pres | x |  |  | x |  |  |  |  |  |  |  |  |  |
Acu_alert_in_redir_nb_reason | x |  |  | x |  |  |  |  |  |  |  |  |  |
Acu_alert_in_redir_nb_screen | x |  |  | x |  |  |  |  |  |  |  |  |  |
Acu_alert_in_redir_nb_type | x |  |  | x |  |  |  |  |  |  |  |  |  |
Acu_alert_in_signal_val |  |  | x |  | x |  |  |  |  |  |  |  |  |
Acu_alert_in_ss_cnip_name_active |  |  |  |  |  |  |  |  |  |  |  | x |  |
Acu_alert_in_ss_cnip_name_pres |  |  |  |  |  |  |  |  |  |  |  | x |  |
Acu_alert_in_x_display_nb |  |  | x |  | x | x |  | x | x | x | x |  |  |
Acu_alert_in_x_display_size[i] |  |  | x |  | x | x |  | x | x | x | x |  |  |
Acu_alert_in_x_display_total_size |  |  | x |  | x | x |  | x | x | x | x |  |  |
Acu_alert_in_x_display_type[i] |  |  | x |  | x | x |  | x | x | x | x |  |  |
Acu_alert_in_x_p_display[i] |  |  | x |  | x | x |  | x | x | x | x |  |  |

## ACU_ALERT_IN macro descriptions and Q.931 IE

Macro | Description | Q.931 IE
--- | --- | ---
Acu_alert_in_a_display, Acu_alert_in_display_size | Pointer to (and size of) buffer containing ISDN display information (optional). | Display
Acu_alert_in_a_display_list | Pointer to display structure. | Display
Acu_alert_in_a_ext_parms | Pointer to buffer containing extended parameters. | Not used.
Acu_alert_in_a_facility, Acu_alert_in_facility_size | Pointer to (and size of) buffer containing ISDN facility information (optional). | Facility
Acu_alert_in_a_pcs_user, Acu_alert_in_pcs_user_size | Pointer to (and size of) buffer containing ISDN PCS-to-user/user-to-PCS information. See PCS-user information elements for more information on this IE. | PCS-user
Acu_alert_in_a_q931, Acu_alert_in_q931_size | Pointer to (and size of) buffer containing raw data of incoming Q.931 message. | Does not map to an IE.
Acu_alert_in_a_redir_nb, Acu_alert_in_redir_nb_size | Pointer to (and size of) buffer containing redirecting number. | Redirecting number
Acu_alert_in_a_ss_cnip_name, Acu_alert_in_ss_cnip_name_size | Pointer to (and size of) buffer containing calling name identification presentation (CNIP) name. | CNIP
Acu_alert_in_a_uui, Acu_alert_in_uui_size | Pointer to (and size of) buffer containing ISDN user-to-user information (optional). | User-user
Acu_alert_in_alert | Code indicating which alert was detected. Used when the behavior bit CC_SEND_ALERT_IN is used. Valid values include: ACUAC_RING: Ring detected ACUAC_REMOTE_ALERTED: Remote equipment alerted | Not used.
Acu_alert_in_call_ref_length | Length of call reference value. | Call reference
Acu_alert_in_call_ref_value | Call reference value and call reference flag. | Call reference
Acu_alert_in_data_chani | Data channel to use (B1, B2, ..., D). | Channel identification
Acu_alert_in_data_chani_excl | Channel IDs are preferred (OFF) or exclusive (ON). | Channel identification
Acu_alert_in_data_chani_nai | NAI. | Channel identification
Acu_alert_in_data_chani_nb | Number of channel IDs in the chani_list field. If no channel IDs, use 0. | Channel identification
Acu_alert_in_data_chani_tab[i] | Channel ID i. | Channel identification
Acu_alert_in_data_chani_tab_nai[i] | NAI i. | Channel identification
Acu_alert_in_ext_parms_lgth | Total length of buffer containing extended parameters. | Not used.
Acu_alert_in_ext_parms_nb | Number of parameters in buffer containing extended parameters. | Not used.
Acu_alert_in_pcs_user_protocol | Protocol discriminator for the pcs_user information element. See PCS-user information elements for more information on this IE. | PCS-user
Acu_alert_in_progress_descr_x [i] | Description for information element i. See Progress description values for a list of valid values. | Progress indicator
Acu_alert_in_progress_description | Description for information element 0. See Progress description values for a list of valid values. | Progress indicator
Acu_alert_in_progress_ind_nb | Number of progress indication information elements. | Progress indicator
Acu_alert_in_progress_loc_x [i] | Location of information element i. See Location values for a list of valid values. | Progress indicator
Acu_alert_in_progress_location | Location of information element 0. See Location values for a list of valid values. | Progress indicator
Acu_alert_in_redir_nb_plan | Redirecting number plan. See Plan values for a list of valid values. | Redirecting number
Acu_alert_in_redir_nb_pres | Redirecting number presentation. Allowed values include: N_PRES_ALLOWED: Presentation allowed N_PRES_RESTRICTED: Presentation restricted N_PRES_NOT_AVAILABLE: Presentation not available | Redirecting number
Acu_alert_in_redir_nb_reason | Reason for redirection. See Redirecting reason values for a list of valid values. | Redirecting number
Acu_alert_in_redir_nb_screen | Redirecting number screening indicator. See Screening indicator values for a list of valid values. | Redirecting number
Acu_alert_in_redir_nb_type | Redirecting number type. See Number type values for a list of valid values. | Redirecting number
Acu_alert_in_signal_val | Signal value. See Signal values for a list of valid values. | Does not map to an IE.
Acu_alert_in_ss_cnip_name_active | Indicates calling name identification presentation (CNIP) supplementary service should be invoked. | CNIP
Acu_alert_in_ss_cnip_name_pres | Calling name identification presentation (CNIP) mode. Allowed values include: N_PRES_ALLOWED: Presentation allowed N_PRES_RESTRICTED: Presentation restricted N_PRES_NOT_AVAILABLE: Presentation not available | CNIP
Acu_alert_in_x_display_nb | Number of present occurrences. | Display
Acu_alert_in_x_display_size[i] | Size of occurrence i (optional). | Display
Acu_alert_in_x_display_total_size | Total size of the stored strings. | Display
Acu_alert_in_x_display_type[i] | Type of display i. | Display
Acu_alert_in_x_p_display[i] | Pointer to occurrence i. | Display