# Service values

The following table lists the valid service values for ACU_CONN_CO, ACU_CONN_IN, ACU_CONN_RQ, ACU_CONN_RS, ACU_FACILITY_IN, ACU_FACILITY_RQ, and ACU_SETUP_REPORT_IN messages.

These values are defined in isdnval.h.

Service | Description
--- | ---
FAX_SERVICE | G3 facsimile service.
FAX_4_SERVICE | G4 facsimile service.
DATA_SERVICE | Data service.
DATA_GCI_SERVICE | Data service on GCI bus.
DATA_56KBS_SERVICE | Data at 56 kbits/s service.
RAW_DATA_SERVICE | Raw data service on GCI bus: no MPH_B_INIT_RQ is generated (no B channel driver is associated).
DATA_TRANS_SERVICE | Transparent data service.
MODEM_SERVICE | Modem data service.
AUDIO_7_SERVICE | 7 kHz audio service.
X25_SERVICE | X.25 circuit-mode service.
X25_PACKET_SERVICE | X.25 packet-mode service.
VOICE_SERVICE | Voice service.
VOICE_GCI_SERVICE | Voice service on GCI bus.
RAW_TELEPHONY_SERVICE | Raw telephony service on GCI bus: no MPH_B_INIT_RQ generated (no B channel driver is associated).
VOICE_TRANS_SERVICE | Transparent voice service.
V110_SERVICE | V.110 service.
V120_SERVICE | V.120 service.
VIDEO_SERVICE | Video service.
TDD_SERVICE | TDD service.
DATA_H0_SERVICE | Data using H0 (384 kbits/s) channel service (PRI only).
DATA_H11_SERVICE | Data using H11 (1536 kbits/s) channel service.
DATA_H12_SERVICE | Data using H12 (1536 kbits/s) channel service.
DATA_MULTIRATE_SERVICE | Data using multirate (2..30x64 kbits/s) channel service.
DATA_128KBS_SERVICE | Data using 2x64 kbits/s channel service (BRI only).
NO_B_CHAN_SERVICE | No B channel service (bearer-independent calls - QSIG only).
FAX_RELAY_SERVICE | G3 facsimile service (for use with physical relay process).
DATA_RELAY_SERVICE | Data service (for use with physical relay process).
DATA_56KBS_RELAY_SERVICE | Data at 56 kbit/s service (for use with physical relay process).
DATA_TRANS_RELAY_SERVICE | Data transparent service (for use with physical relay process).
MODEM_RELAY_SERVICE | Modem data service (for use with physical relay process).
X25_RELAY_SERVICE | X.25 circuit-mode service (for use with physical relay process).
VOICE_RELAY_SERVICE | Voice service (for use with physical relay process).
VOICE_GCI_RELAY_SERVICE | Voice service on GCI bus (for use with physical relay process).
NO_SERVICE | Undefined service.