# ACU_CONN_RQ

This topic describes:

- ACU_CONN_RQ protocol variants

- ACU_CONN_RQ macro descriptions and Q.931 IE

Note: Address parameters must be set according to the filling order. If one of them is unused, its size field must be set to 0.

#### Purpose

Requests establishment of an outgoing call.

#### Conn_id

A currently unused ID.

## ACU_CONN_RQ 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_conn_rq_a_called_nb, Acu_conn_rq_called_nb_size Filling order: 1 | x | x | x | x | x | x | x | x | x | x | x | x | x | x
Acu_conn_rq_a_called_nb_sub, Acu_conn_rq_a_called_nb_sub_size Filling order: 9 |  |  |  |  |  |  |  |  | x | x | x | x |  | x
Acu_conn_rq_a_calling_nb, Acu_conn_rq_calling_nb_size Filling order: 2 | x | x | x | x | x | x | x | x | x | x | x | x | x | x
Acu_conn_rq_a_calling_nb2, Acu_conn_rq_calling_nb2_size Filling order: 3 |  |  |  |  |  | x |  |  |  |  |  |  |  |
Acu_conn_rq_a_calling_nb_sub, Acu_conn_rq_a_calling_nb_sub_size Filling order: 10 |  |  |  |  |  |  |  |  | x | x | x | x |  | x
Acu_conn_rq_a_calling_name, Acu_conn_rq_calling_name_size |  |  |  | x |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_a_display, Acu_conn_rq_display_size Filling order: 7 |  |  |  |  |  |  |  |  |  | x | x |  |  |
Acu_conn_rq_a_display_list |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_a_ext_parms | x |  |  |  |  |  |  |  |  |  |  |  |  | x
Acu_conn_rq_a_facility, Acu_conn_rq_facility_size Filling order: 6 |  |  |  |  | x | x |  |  |  | x | x | x |  |
Acu_conn_rq_a_layer_1_info |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_a_pcs_user, Acu_conn_rq_pcs_user_size Filling order: 8 |  |  |  |  |  | x |  |  |  |  |  |  |  |
Acu_conn_rq_a_redir_nb, Acu_conn_rq_redir_nb_size Filling order: 4 | x | x | x | x |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_a_ss_cnip_name, Acu_conn_rq_ss_cnip_name_size Filling order: 11 |  |  |  |  |  |  |  |  |  |  |  | x |  |
Acu_conn_rq_a_tsp_ie_list, Acu_conn_rq_tsp_ie_list_size Filling order: 12 | x | x | x | x | x | x | x | x | x |  |  | x | x | x
Acu_conn_rq_a_uui, Acu_conn_rq_uui_size Filling order: 5 |  |  | x |  | x | x |  |  | x | x | x |  |  |
Acu_conn_rq_auto_dial |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_call_appear |  | x | x |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_callid_rq |  |  | x | x |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_called_nb_plan |  | x | x | x | x |  |  |  |  | x | x | x |  | x
Acu_conn_rq_called_nb_sub_odd_even |  |  |  |  |  |  |  |  | x |  |  |  |  | x
Acu_conn_rq_called_nb_sub_type |  |  |  |  |  |  |  |  | x | x | x |  |  | x
Acu_conn_rq_called_nb_type |  | x | x | x | x | x |  | x |  | x | x | x |  | x
Acu_conn_rq_calling_nb2_pres |  |  |  |  |  | x |  |  |  |  |  |  |  |
Acu_conn_rq_calling_nb2_screen |  |  |  |  |  | x |  |  |  |  |  |  |  |
Acu_conn_rq_calling_nb2_type |  |  |  |  |  | x |  |  |  |  |  |  |  |
Acu_conn_rq_calling_nb_plan | x | x | x | x | x |  | x |  |  | x | x | x |  | x
Acu_conn_rq_calling_nb_pres |  |  |  |  | x | x | x | x | x | x | x | x |  | x
Acu_conn_rq_calling_nb_screen |  |  |  |  | x | x | x | x | x | x | x | x |  | x
Acu_conn_rq_calling_nb_sub_odd_even |  |  |  |  | x |  |  |  | x | x | x |  |  |
Acu_conn_rq_calling_nb_sub_type |  |  |  |  | x |  |  |  | x |  |  |  |  | x
Acu_conn_rq_calling_nb_type |  | x | x | x | x | x | x | x |  | x | x | x |  | x
Acu_conn_rq_charging_rq |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_data_bits |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_data_chani | x | x | x | x | x | x | x | x | x | x | x | x |  | x
Acu_conn_rq_data_chani_excl | x | x | x | x | x | x | x | x | x | x | x | x |  | x
Acu_conn_rq_data_chani_nai | x | x | x | x |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_data_chani_nb | x | x | x | x | x | x | x | x | x | x | x | x |  | x
Acu_conn_rq_data_chani_tab | x | x | x | x | x | x | x | x | x | x | x | x |  | x
Acu_conn_rq_data_chani_tab_nai | x | x | x | x |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_ext_parms_lgth | x |  |  |  |  |  |  |  |  |  |  |  |  | x
Acu_conn_rq_ext_parms_nb | x |  |  |  |  |  |  |  |  |  |  |  |  | x
Acu_conn_rq_ident_denied_rq |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_identification_denied_rq |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_p_display[i] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_parity |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_pcs_user_protocol |  |  |  |  |  | x |  |  |  |  |  |  |  |
Acu_conn_rq_ph_rate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_priority |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_progress_description |  |  |  |  |  |  |  |  |  |  |  |  |  | x
Acu_conn_rq_progress_ind_nb |  |  |  |  |  |  |  |  |  |  |  |  |  | x
Acu_conn_rq_progress_location |  |  |  |  |  |  |  |  |  |  |  |  |  | x
Acu_conn_rq_redir_nb_plan | x | x | x | x |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_redir_nb_pres | x | x | x | x |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_redir_nb_reason | x | x | x | x |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_redir_nb_screen | x | x | x | x |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_redir_nb_type | x | x | x | x |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_sending_complete |  |  |  |  | x | x | x |  |  | x | x | x | x | x
Acu_conn_rq_service | x | x | x | x | x | x | x | x | x |  |  |  |  |
Acu_conn_rq_ss_cnip_name_active |  |  |  |  |  |  |  |  |  |  |  | x |  |
Acu_conn_rq_ss_cnip_name_pres |  |  |  |  |  |  |  |  |  |  |  | x |  |
Acu_conn_rq_stop_bits |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_syn_asyn |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_transfer_conn_id |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_transfer_rq |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_user_rate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_uui_protocol |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_x_display_nb |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_x_display_size[i] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_x_display_total_size |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acu_conn_rq_x_display_type[i] |  |  |  |  |  |  |  |  |  |  |  |  |  |

## ACU_CONN_RQ macro descriptions and Q.931 IE

Macro | Description | Q.931 IE
--- | --- | ---
Acu_conn_rq_a_called_nb, Acu_conn_rq_called_nb_size Filling order: 1 | Pointer to the called number. | Called party number ( + called subaddress)
Acu_conn_rq_a_called_nb_sub, Acu_conn_rq_a_called_nb_sub_size Filling order: 9 | Pointer to (and size of) buffer containing called subaddress. | Calling party subaddress
Acu_conn_rq_a_calling_nb, Acu_conn_rq_calling_nb_size Filling order: 2 | Calling number. | Calling party number ( + calling subaddress)
Acu_conn_rq_a_calling_nb2, Acu_conn_rq_calling_nb2_size Filling order: 3 | Second calling number. | Second calling party number ( + calling subaddress)
Acu_conn_rq_a_calling_nb_sub, Acu_conn_rq_a_calling_nb_sub_size Filling order: 10 | Pointer to (and size of) buffer containing calling subaddress. | Calling party subaddress
Acu_conn_rq_a_calling_name, Acu_conn_rq_calling_name_size | Pointer to (and size of) buffer containing calling name. | Calling name
Acu_conn_rq_a_display, Acu_conn_rq_display_size Filling order: 7 | Pointer to (and size of) buffer containing ISDN display information (optional). | Display
Acu_conn_rq_a_display_list | Pointer to display structure. | Display
Acu_conn_rq_a_ext_parms | Pointer to buffer containing extended parameters. | Network specific facilities
Acu_conn_rq_a_facility, Acu_conn_rq_facility_size Filling order: 6 | Pointer to (and size of) buffer containing ISDN facility information (optional). | Facility
Acu_conn_rq_a_layer_1_info | Layer 1 information. | Low layer compatibility
Acu_conn_rq_a_pcs_user, Acu_conn_rq_pcs_user_size Filling order: 8 | 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_conn_rq_a_redir_nb, Acu_conn_rq_redir_nb_size Filling order: 4 | Redirecting number. | Redirecting number
Acu_conn_rq_a_ss_cnip_name, Acu_conn_rq_ss_cnip_name_size Filling order: 11 | Pointer to (and size of) buffer containing calling name identification presentation (CNIP) name. | CNIP
Acu_conn_rq_a_tsp_ie_list, Acu_conn_rq_tsp_ie_list_size Filling order: 12 | Pointer to (and size of) transparent IE buffer. | Does not map to an IE.
Acu_conn_rq_a_uui, Acu_conn_rq_uui_size Filling order: 5 | Pointer to (and size of) buffer containing ISDN user-to-user information (optional). | User-user
Acu_conn_rq_auto_dial | OFF: Go off hook only. ON: Automatically dial number. | Not used.
Acu_conn_rq_call_appear | Call appearance. | Call appearance
Acu_conn_rq_callid_rq | Set to 1 to request a callid. | Does not map to an IE.
Acu_conn_rq_called_nb_plan | Called number plan. See Plan values for a list of valid values. Default: N_PLAN_UNKNOWN. Default for VN6 and AusTel variants: N_PLAN_ISDN | Called party number
Acu_conn_rq_called_nb_sub_odd_even | Called subaddress odd/even. Valid values include: SUBADDRESS_ODD: Odd number of address signals SUBADDRESS_EVEN: Even number of address signals | Called party subaddress
Acu_conn_rq_called_nb_sub_type | Called subaddress number type. Valid values include: SUBADDRESS_TYPE_NSAP: NSAP SUBADDRESS_TYPE_USER: User specified | Called party subaddress
Acu_conn_rq_called_nb_type | Called number type. See Number type values for a list of valid values. Default: N_TYPE_UNKNOWN. Default for the 4ESS and VN6 variants: N_TYPE_NATIONAL. | Called party number
Acu_conn_rq_calling_nb2_pres | Second calling number presentation. Allowed values include: N_PRES_ALLOWED: Presentation allowed (default) N_PRES_RESTRICTED: Presentation restricted N_PRES_NOT_AVAILABLE: Presentation not available | Calling party number
Acu_conn_rq_calling_nb2_screen | Second calling number screening indicator. See Screening indicator values for a list of valid values. Default: N_SCREEN_USER_PROVIDED (N_SCREEN_USER_PASSED for AusTel). | Calling party number
Acu_conn_rq_calling_nb2_type | Second calling number type. See Number type values for a list of valid values. Default: N_TYPE_UNKNOWN Default for the 4ESS and VN6 variants: N_TYPE_NATIONAL | Calling party number
Acu_conn_rq_calling_nb_plan | Calling number plan. See Plan values for a list of valid values. Default: N_PLAN_UNKNOWN Default for VN6 and AusTel variants: N_PLAN_ISDN | Calling party number
Acu_conn_rq_calling_nb_pres | Calling number presentation. Allowed values include: N_PRES_ALLOWED: Presentation allowed (default) N_PRES_RESTRICTED: Presentation restricted N_PRES_NOT_AVAILABLE: Presentation not available | Calling party number
Acu_conn_rq_calling_nb_screen | Calling number screening indicator. See Screening indicator values for a list of valid values. Default: N_SCREEN_USER_PROVIDED (N_SCREEN_USER_PASSED for AusTel). | Calling party number
Acu_conn_rq_calling_nb_sub_odd_even | Called subaddress odd/even. Valid values include: SUBADDRESS_ODD: Odd number of address signals SUBADDRESS_EVEN: Even number of address signals | Calling party subaddress
Acu_conn_rq_calling_nb_sub_type | Calling subaddress number type. Valid values include: SUBADDRESS_TYPE_NSAP: NSAP SUBADDRESS_TYPE_USER: User specified | Calling party subaddress
Acu_conn_rq_calling_nb_type | Calling number type. See Number type values for a list of valid values. Default: N_TYPE_UNKNOWN. Default for the 4ESS and VN6 variants: N_TYPE_NATIONAL. | Calling party number
Acu_conn_rq_charging_rq | Request charging (ON/OFF). | Not used.
Acu_conn_rq_data_bits | Number of data bits for V.110 and V.120 services. Available values include: ACU_DATA_BIT_5: 5 data bits ACU_DATA_BIT_7: 7 data bits ACU_DATA_BIT_8: 8 data bits | Channel identification
Acu_conn_rq_data_chani | Data channel to use (B1, B2, ... D, or 0 for any). This is used as an alias for Acu_conn_rq_data_chani_tab. | Channel identification
Acu_conn_rq_data_chani_excl | Channel IDs are preferred (OFF) or exclusive (ON). | Channel identification
Acu_conn_rq_data_chani_nai | NAI. | Channel identification
Acu_conn_rq_data_chani_nb | Number of channel IDs in the chani_list field. If no channel IDs, use 0. | Channel identification
Acu_conn_rq_data_chani_tab | Channel ID. | Channel identification
Acu_conn_rq_data_chani_tab_nai | NAI. | Channel identification
Acu_conn_rq_ext_parms_lgth | Total length of buffer containing extended parameters. | Network specific facilities
Acu_conn_rq_ext_parms_nb | Number of parameters in buffer containing extended parameters. | Network specific facilities
Acu_conn_rq_ident_denied_rq | Request identity denied (ON/OFF). | Facility
Acu_conn_rq_identification_denied_rq | Alias macro for Acu_conn_rq_ident_denied_rq. | Facility
Acu_conn_rq_p_display[i] | Pointer to occurrence i. | Display
Acu_conn_rq_parity | Parity for V.110 and V.120 services. Available values: ACU_ODD: odd parity ACU_EVEN: even parity ACU_NO_PARITY: no parity | Bearer capability
Acu_conn_rq_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_conn_rq_ph_rate | Physical rate (for all services). | Low layer compatibility
Acu_conn_rq_priority | Phone call priority normal/urgent. | Low layer compatibility
Acu_conn_rq_progress_description | Description for information element 0. See Progress description values for a list of valid values. | Progress indication
Acu_conn_rq_progress_ind_nb | Number of progress indication information elements. | Progress indication
Acu_conn_rq_progress_location | Location of information element 0. See Location values for a list of valid values and default setting information. | Progress indication
Acu_conn_rq_redir_nb_plan | Redirecting number plan. See Plan values for a list of valid values. Default: N_PLAN_UNKNOWN Default for VN6 and AusTel variants: N_PLAN_ISDN | Redirecting number
Acu_conn_rq_redir_nb_pres | Redirecting number presentation. Allowed values: N_PRES_ALLOWED: Presentation allowed (default) N_PRES_RESTRICTED: Presentation restricted N_PRES_NOT_AVAILABLE: Presentation not available | Redirecting number
Acu_conn_rq_redir_nb_reason | Reason for redirection. See Redirecting reason values for a list of valid values. Default: REASON_UNKNOWN. | Redirecting number
Acu_conn_rq_redir_nb_screen | Redirecting number screening indicator. See Screening indicator values for a list of valid values. Default: N_SCREEN_USER_PROVIDED (N_SCREEN_USER_PASSED for AusTel) | Redirecting number
Acu_conn_rq_redir_nb_type | Redirecting number type. See Number type values for a list of valid values. Default: N_TYPE_UNKNOWN Default for the 4ESS and VN6 variants: N_TYPE_NATIONAL | Redirecting number
Acu_conn_rq_sending_complete | Indicates if sending-complete information element is generated (ON/OFF). | Sending complete
Acu_conn_rq_service | Requested service. See Service values for a list of valid values. | bc + hlc + llc
Acu_conn_rq_ss_cnip_name_active | Indicates calling name identification presentation (CNIP) supplementary service should be invoked. | CNIP
Acu_conn_rq_ss_cnip_name_pres | Calling name identification presentation mode. Allowed values include: N_PRES_ALLOWED: Presentation allowed N_PRES_RESTRICTED: Presentation restricted N_PRES_NOT_AVAILABLE: Presentation not available | CNIP
Acu_conn_rq_stop_bits | Number of stop bits for V.110 and V.120 services only). Available values include: ACU_STOP_BIT_1: 1 stop bit ACU_STOP_BIT_1_5: 1. 5 stop bits ACU_STOP_BIT_2: 2 stop bits | Low layer compatibility
Acu_conn_rq_syn_asyn | Synchronous/asynchronous for V.110 and V.120 services. Available values include: ACU_SYN: Synchronous mode ACU_ASYN: Asynchronous mode | Low layer compatibility
Acu_conn_rq_transfer_conn_id | Connection ID of the call to be transferred. | Facility
Acu_conn_rq_transfer_rq | Request transfer (ON/OFF). | Facility
Acu_conn_rq_user_rate | Requested user rate for V.110 and V.120 services. See User rate values for a list of valid values. | Low layer compatibility
Acu_conn_rq_uui_protocol | UUI protocol discriminator value. See UUI protocol discriminator values for a list of valid values. Default: UUI_IA5 (UUI_USER_SPF for HKG variant). | User-to-user information
Acu_conn_rq_x_display_nb | Number of present occurrences. | Display
Acu_conn_rq_x_display_size[i] | Size of occurrence i (optional). | Display
Acu_conn_rq_x_display_total_size | Total size of the stored strings. | Display
Acu_conn_rq_x_display_type[i] | Type of display i. | Display