View source for Message Formats (Sortable)

{| border="1"
! style="background:#ffdead;" width="170" |Message 
! style="background:#ffdead;" width="70" |Short name
! style="background:#ffdead;" width="70" |Message no, Hex
! style="background:#ffdead;" width="600" |Description
|-
| [[ABSENCE_STATUS]] || align=center | &nbsp; || align=center | 0x002A || Response to SET_ABSENCE and GET_ABSENCE messages  
|-
|[[ALARM_MSG]] || align=center |ALRM || align=center |0x0007 || Set up (or disconnect) an ASVP Alarm message to a single station or a predefined group of stations 
|-
|[[ALARM_MSG_ACK]]||align=center |&nbsp;||align=center|0x0009 ||Positive response to ALARM_MSG 
|-
|[[AUDIO_CH_DISCON]] || align=center |&nbsp; || align=center |0x8012  || Disconnect a audio channel after loopback test  
|-
|[[AUDIO_CH_FAULTY ]] || align=center |&nbsp; || align=center |0x8013  || Response to AUDIO_CH_LOOPBACK_REQ: Requested channel was faulty 
|-
|[[AUDIO_CH_LOOPBACK_ACK]] || align=center |&nbsp; || align=center |0x8011  ||Positive acknowledge of AUDIO_CH_LOOPBACK_REQ 
|-
|[[AUDIO_CH_LOOPBACK_REQ ]] || align=center |&nbsp; || align=center |0x8010  || Request for loopback audio connection. Used by the Audio Channel Testing process  
|-
|[[AUDIO_CH_TONE_REQ ]] || align=center |&nbsp; || align=center |0x8015 || Request a peer exchange to put a 500Hz tone on a audio channel 
|-
|[[AUDIO_DETECT ]] || align=center |VOX || align=center |0x0053  || Triggers the event [[Simplex_Conference_Audio]] 
|-
|[[AUDIO_LINK_NOT_AVAILABLE ]] || align=center |&nbsp; || align=center |0x8006 || Response to AUDIO_PATH_SETUP from next node: Channel not granted 
|-
|[[AUDIO_LINK_OK ]] || align=center |&nbsp; || align=center |0x8003|| Response to AUDIO_PATH_SETUP. Channel number is OK 
|-
|[[AUDIO_LINK_RELEASE ]] || align=center |&nbsp; || align=center |0x8005 || Used to release audio path backwards stepwise from node to node when setup meets busy or faulty link 
|-
|[[AUDIO_M_FEED_REQ ]] || align=center |&nbsp;|| align=center |0x801A || Global Simplex Conference: Some station is pressing the M-key when participating in a conference 
|-
|[[AUDIO_M_FEED_STOP ]] || align=center |&nbsp;|| align=center |0x801B  || Global Simplex Conference: The station is releasing the M-key  
|-
|[[AUDIO_M_LINK_OK ]] || align=center | &nbsp; || align=center |0x8019  || Per hop positive response to AUDIO_M_PATH_SETUP 
|-
|[[AUDIO_M_PATH_BACKTRACK  ]] || align=center |&nbsp;|| align=center |0x8018 || AUDIO_M_PATH_SETUP failed 
|-
|[[AUDIO_M_PATH_OK ]] || align=center |&nbsp;|| align=center |0x8017 || Contains statuses for an AUDIO_M_PATH_SETUP from one or more destination exchanges 
|-
|[[AUDIO_M_PATH_SETUP ]] || align=center |&nbsp;|| align=center |0x8016  || Communication in a multi-node network 
|-
|[[AUDIO_PATH_CHECK_OK ]] || align=center |&nbsp;|| align=center |0x800F || Positive response to CHECK_AUDIO_PATH 
|-
|[[AUDIO_PATH_DELAY  ]] || align=center |&nbsp;|| align=center |0x8007  || Set Duplex switch delay 
|-
|[[AUDIO_PATH_DISCONNECT  ]] || align=center |&nbsp;|| align=center |0x8006  || Release the endtoend audio path. Normal disconnect from source or destination 
|-
|[[AUDIO_PATH_OK ]] || align=center |&nbsp;|| align=center |0x8002 || End to end message: Audio path is ready 
|-
|[[AUDIO_PATH_SETUP  ]] || align=center |&nbsp;|| align=center |0x8001 || Set up audio path between a source node and a destination node (possibly via transit nodes) 
|-
|[[BUILD_GLOB_GRP ]] || align=center |&nbsp;|| align=center |0x0070 || Broadcast message to all exchanges to make them rebuild global group indexes 
|-
|[[C_KEY  ]] || align=center |C|| align=center |0x0058  || Order station to press C-key  
|-
| [[CALL_SETUP]] || align=center | CALL || align=center | 0x0008 || Sets up a coversation between two users
|-
|[[CALL_STATUS_BC  ]] || align=center |&nbsp;|| align=center |0x0040  ||Broadcast message telling the status of a call 
|-
|[[CALL_TRANSFER ]] || align=center |TRF || align=center |0x0044  || Set or remove call transfer for a station 
|-
|[[CALL_TRANSFER_NOK  ]] || align=center |&nbsp;|| align=center |0x0046 || Negative response to CALL_TRANSFER 
|-
|[[CALL_TRANSFER_OK ]] || align=center |&nbsp;|| align=center |0x0045  || Positive response to CALL_TRANSFER 
|-
|[[CANCEL_MAIL ]] || align=center |CANM|| align=center |0x0065 || Delete one or more mail/call request/alarm messages queued at a station 
|-
|[[CHECK_AUDIO_PATH ]] || align=center |&nbsp;|| align=center |0x800E || Check of established audio path at regular intervals 
|-
|[[CLEAR_RCO ]] || align=center |CLR|| align=center |0x0015  || Turn the given remote control output off 
|-
|[[CLEAR_RCO_FAILED ]] || align=center |&nbsp;|| align=center |0x0017  || Negative response to the CLEAR_RCO message 
|-
|[[CLEAR_RCO_OK]]||align=center | &nbsp;||align=center|0x0016 ||Positive response to the CLEAR_RCO message 
|-
|[[COMMAND_RESPONSE ]] || align=center |&nbsp; || align=center |0x0066 || General response message to messages 
|-
|[[CONF_IS_ROOT ]] || align=center |&nbsp;|| align=center |0x007B || Broadcast message. Sender informs that it is root of conference 
|-
|[[CONF_JOIN]] || align=center |&nbsp;|| align=center |0x0078  || Exchange wants to join conference, asks root-exchange to setup connection back to sender 
|-
|[[CONF_MEMB_CHK ]] || align=center |&nbsp; || align=center |0x0079 || Ask whether any neighbor exchange has any ordinary member left in conference 
|-
|[[CONF_NOT_ROOT  ]] || align=center |&nbsp;|| align=center |0x007C || Broadcast message. Sender informs that it is no longer root of conference 
|-
|[[CONF_ORD_MEMB  ]] || align=center |&nbsp;|| align=center |0x007A  || An exchange tells its neighbors that it has ordinary member left in conference 
|-
|[[CONF_TALK ]] || align=center |&nbsp; || align=center |0x008B || Set Simplex conference speaker 
|-
|[[CONF_TALK_STOP ]] || align=center |&nbsp;|| align=center |0x008C  || Stop station form feeding Simplex conference 
|-
|[[CONN_REF_ACK  ]] || align=center |&nbsp; || align=center |0x000E || The external application acknowledges the CONN_REFERENCE 
|-
|[[CONN_REFERENCE ]] || align=center |&nbsp;|| align=center |0x000B  || Positive response from the exchange to CONN_REQUEST 
|-
|[[CONN_REQUEST ]] || align=center |CONN || align=center |0x000A || Sets up a coversation between two users 
|-
|[[CONN_STATUS_BC ]] || align=center |&nbsp;|| align=center |0x0041  || Broadcast message telling that a connection is established 
|-
|[[CONSOLE_DISC ]] || align=center |&nbsp; || align=center |0x007F || Log off from system debug console (TST) 
|-
|[[CONSOLE_REQ  ]] || align=center |&nbsp;|| align=center |0x007E || Log on to system debug console (TST) 
|-
|[[COPY_MAIL  ]] || align=center |CPYM || align=center |0x0083  || Send a copy of a mail in own queue to a new destination (station or group) 
|-
|[[DELETE_MAIL ]] || align=center |DELM|| align=center |0x0034 || Delete a mail entry in the queue for an intercom station 
|-
|[[DELETE_MAIL_ACK]] || align=center |&nbsp;|| align=center |0x0035 || Response to the DELETE_MAIL message 
|-
|[[DEVICE_INFO]] || align=center |&nbsp; || align=center |0x003B || Response to the GET_DEVICE message 
|-
|[[DIAL_DAK ]] || align=center |&nbsp;|| align=center |0x0094  || Dial DAK on a station 
|-
|[[DIAL_DIGITS  ]] || align=center |DD|| align=center |0x0050 || Simulate digit dialing from a station  
|-
|[[DIGIT_RELEASE  ]] || align=center |DREL|| align=center |0x0052  || The station has released a digit press 
|-
|[[DISC_REQ  ]] || align=center |&nbsp;|| align=center |0x0011 || Conversation established with CONN_REQUEST: The external application disconnects a conversation. 
|-
|CONN_REF_ACK --------------------------------------
|-
|[[DISCON_ST ]] || align=center |&nbsp;|| align=center |0x008E  || Disconnect station from ongoing feature 
|-
|[[DISCONNECTED  ]] || align=center |&nbsp; || align=center |0x000F || Conversation established with CONN_REQUEST: Conversation was disconnected, e.g. the user pressed C-key 
|-
|[[DISCONNECTED_ACK ]] || align=center |&nbsp;|| align=center |0x0010  || Conversation established with CONN_REQUEST: Acknowledge of the DISCONNECTED message  
|-
|[[DISPLAY_TEXT  ]] || align=center |DSPL|| align=center |0x005A  || Send text and control characters to a station 
|-
|[[DPMT_INVALID ]] || align=center |&nbsp; || align=center |0x0000 || Reserved value for internal use 
|-
|[[DUMMY  ]] || align=center |&nbsp;|| align=center |0xFFFE  || Test message: Should be routed, accepted and ignored 
|-
|[[EVENT_REPORT]] || align=center |ER || align=center |0x0067 || Report an event to the event/action system 
|-
|[[EXECUTE_COMMAND  ]] || align=center |X|| align=center |0x004F  || Send a command string to the exchange to be executed there  
|-
|[[EXT_FEATURE_BC ]] || align=center |&nbsp;|| align=center |0x0043 || Broadcast message when a directory number (feature 50) is dialed on a station 
|-
|[[EXT_MAIL  ]] || align=center |&nbsp; || align=center |0x0030 || Response to the GET_x_MAIL messages 
|-
|[[GET_ABSENCE ]] || align=center |GABS|| align=center |0x0029  || Get absence status for an intercom station 
|-
|[[GET_DEVICE ]] || align=center |GDEV  || align=center |0x003A || Get information from an external device 
|-
|[[GET_FIRST_MAIL ]] || align=center | &nbsp; || align=center |  0x002E  || Get the first mail entry in the queue for an intercom station 
|-
|[[GET_LAST_MAIL]] || align=center |&nbsp;|| align=center |0x0064  || Get the last mail entry in the queue for an intercom station 
|-
|[[GET_NEXT_MAIL ]] || align=center |&nbsp; || align=center |0x002F || Get the next mail entry in the queue for an intercom station 
|-
|[[GET_PIN_COUNTS ]] || align=center |GPC || align=center |0x0013  || Query a RIO about number of output and input pins and support for non mandatory features 
|-
|[[GET_PREV_MAIL]] || align=center |&nbsp;|| align=center |0x0063 || Get the previous mail entry in the queue for an intercom station 
|-
|[[GET_REQ_TRANSF ]] || align=center |&nbsp; || align=center |0x002C || Get the Call Request Transfer status for an intercom station 
|-
|[[GET_SYSTEM_TIME ]] || align=center |GTS|| align=center |0x0025  || Ask a device (AlphaCom) for date and time 
|-
|[[GET_THIS_MAIL]] || align=center |&nbsp;|| align=center |0x004A  || Get the identified mail entry in the queue for an intercom station 
|-
|[[GLOB_GRP_MEMB  ]] || align=center | &nbsp; || align=center |0x006A  || A exchange tells which global groups this exchange is member of by broadcasting this to all exchanges
|-
|[[GROUP_MEMBERSHIP ]] || align=center | GRM || align=center | 0x0081  || Set group membership in NVRAM for a station 
|-
|[[HANDSET_OFF ]] || align=center | HOFF|| align=center | 0x0056  || Order station to lift handset 
|-
|[[HANDSET_ON ]] || align=center | HON || align=center | 0x0057  || Order station to replace handset 
|-
|[[ILLEGAL_PARAM  ]] || align=center | &nbsp; || align=center | 0x0023 || Negative response 
|-
|[[LOG_STRING  ]] || align=center | LOG || align=center | 0x0075 || Output String to System Log 
|-
|[[LOOPBACK_IMPOSSIBLE ]] || align=center | &nbsp; || align=center | 0x8014  || Response to AUDIO_CH_LOOPBACK_REQ 
|-
|[[M_KEY  ]] || align=center | M || align=center | 0x0054  || Order station to press M-key 
|-
|[[M_KEY_RELEASE ]] || align=center | MREL || align=center | 0x0055  || Order station to release M-key 
|-
|[[MAILQ_NAVIG ]] || align=center |&nbsp; || align=center | 0x008D  || Do operation on mail queue, or step current mail in mail queue 
|-
|[[NAME_EXTENSION ]] || align=center | &nbsp; || align=center | 0x0080  || Special exchange mode using two line names: Send the second line through AlphaNet 
|-
|[[NO_ACCESS ]] || align=center | &nbsp; || align=center | 0x003F  || Negative response to CONN_REQUEST 
|-
|[[O_DUPL_CONF ]] || align=center | ODC || align=center | 0x006F  || Include/exclude a station or a group into/from an Open Duplex Conference 
|-
|[[OD_CONF_ENTERED ]] || align=center | &nbsp; || align=center | 0x0076  || The participant has entered an Open Duplex Conference 
|-
|[[OD_CONF_LEAVE ]] || align=center | &nbsp; || align=center | 0x0071  || The participant has left the Open Duplex Conference 
|-
|[[PARK_INQ_BROKER ]] || align=center | INQ || align=center | 0x0086  || Park station from conversation, enter Inquiry call state 
|-
|[[PIN_COUNTS ]] || align=center | &nbsp; || align=center | 0x0014  || Response to the GET_PIN_COUNTS message
|-
|[[PING ]] || align=center | &nbsp;|| align=center | 0x003C  || Test device: “Are you there?” 
|-
|[[POLL_RCI ]] || align=center | POLL || align=center | 0x001D  || Poll the given remote control input once 
|-
|[[PONG ]] || align=center | &nbsp; || align=center | 0x003C  || Response to the PING message. “Yes, I’m here.” 
|-
|[[PROG_CONF ]] || align=center | CONF || align=center | 0x0004  || Set Simplex conference for predefined group of stations or a single station 
|-
|[[PROG_CONF_ACK ]] || align=center | &nbsp; || align=center | 0x00006  || Positive response to PROG_CONF 
|-
|[[PROG_CONF_NAK ]] || align=center | &nbsp; || align=center | 0x004E || Negative response to PROG_CONF 
|-
|[[PROGRAM_ACK ]] || align=center | &nbsp; || align=center | 0x0003 || Positive response to PROGRAM 
|-
|[[PROGRAM_NAK  ]] || align=center | &nbsp; || align=center | 0x0003  || Negative response to PROGRAM 
|-
|[[PULSE_RCO ]] || align=center | PULS  || align=center | 0x001B  || Generate a pulse with the defined length 
|-
|[[PULSE_RCO_FAILED ]] || align=center | &nbsp; || align=center | 0x0022  || Negative response to the PULSE_RCO message 
|-
|[[PULSE_RCO_OK ]] || align=center | &nbsp; || align=center | 0x001C  || Positive response to the PULSE_RCO message
|-
|[[PUT_STRING ]] || align=center | &nbsp; || align=center | 0x0073  || Output String to Exchange serial port after adding appropriate framing depending on selected port 
|-
|[[Q_ELEM_ADDED ]] || align=center | &nbsp; || align=center | 0x004B  || Broadcast message. Reports that a mail message has been added to a station’s mail queue 
|-
|[[Q_ELEM_REMOVED ]] || align=center | &nbsp; || align=center | 0x004C  || Broadcast message. Reports that a mail message has been removed from a station’s mail queue 
|-
|[[RCI_IS_OFF ]] || align=center | &nbsp; || align=center | 0x001E  || Response to the POLL_RCI and SCAN_RCI_ONCE messages, input pin is off 
|-
|[[RCI_IS_ON ]] || align=center | &nbsp; || align=center | 0x001F  || Response to the POLL_RCI and SCAN_RCI_ONCE messages, input pin is on 
|-
|[[RCO_CHANGED  ]] || align=center | RCOC|| align=center | 0x0085  || New RCO state reported from the exchange 
|-
|[[REQ_TRANSF ]] || align=center | &nbsp; || align=center | 0x002D  || Response to the SET_REQ_TRANSF and GET_REQ_TRANSF messages 
|-
|[[REQ_TRANSF_CALL  ]] || align=center | TRFC || align=center | 0x0088  || Transfer call in an Inquiry Call situation. 
|-
|[[RESET_AUDIO_LINK]] || align=center | &nbsp; || align=center | 0x8000 || Reset audio link between nodes
|-
|[[RESET_DEVICE ]] || align=center | RESET  || align=center | 0x0039  || Reset a device 
|-
|[[RESET_TAKEN]] || align=center | RSST || align=center | 0x0038  || A device reports that it has done an internal reset 
|-
|[[RESOURCE_BUSY ]] || align=center | &nbsp; || align=center | 0x003E  || Negative response to CONN_REQUEST 
|-
|[[ROUTE_ALPHAPRO_MSG  ]] || align=center | &nbsp; || align=center | 0x006E  || Send AlphaPro message via AlphaNet to/from a remote node 
|-
|[[SCAN_END_ACK ]] || align=center | &nbsp; || align=center | 0x0024  || Acknowledgment to the RCI_IS_OFF and RCI_IS_ON messages 
|-
|[[SCAN_RCI_ACK ]] || align=center | &nbsp; || align=center | 0x0021  || Positive response to the SCAN_RCI_ONCE message 
|-
|[[SCAN_RCI_ONCE]] || align=center | SCAN || align=center | 0x0020|| Scan input until defined condition is met, then report to exchange 
|-
|[[SEND_MAIL ]] || align=center | SM || align=center | 0x0031  || Send a mail message to an intercom station 
|-
|[[SEND_MAIL_ACK ]] || align=center | &nbsp; || align=center | 0x0033  || Response to the SEND_MAIL and SEND_TEXT_MAIL messages 
|-
|[[SEND_TXT_MAIL ]] || align=center | STM || align=center | 0x0032  || Send a mail message with free text to an intercom station 
|-
|[[SET_ABSENCE ]] || align=center | SABS || align=center | 0x0028 || Set absence status for an intercom station 
|-
|[[SET_CALL_REQ_MODE ]] || align=center | SCRM || align=center | 0x006C  || Turn on/off message “your call is registered, please wait”, then ringing/flashing at a station 
|-
|[[SET_DIRNO_TXT ]] || align=center | &nbsp; || align=center | 0x0077  || Change the display text of a directory number (station or feature) 
|-
|[[SET_GRP_FILT ]] || align=center | GFLT || align=center | 0x007D || Set group call filter for a station 
|-
|[[SET_LOGICAL_RCO ]] || align=center |SLRC|| align=center | 0x006B  || Set or clear a logical RCO 
|-
|[[SET_MAIL_TIMEOUT ]] || align=center | SMT || align=center | 0x0082  || Set the timer of a mail queue entry 
|-
|[[SET_NODE_NUMBER ]] || align=center | &nbsp; || align=center | 0x006D  || Change the node number of an exchange 
|-
|[[SET_RCO ]] || align=center | SET || align=center | 0x0014  || Turn the given remote control output on 
|-
|[[SET_RCO_FAILED]] || align=center | &nbsp; || align=center | 0x001A  || Negative response to the SET_RCO message 
|-
|[[SET_RCO_OK ]] || align=center | &nbsp; || align=center | 0x0019 || Positive response to the SET_RCO message 
|-
|[[SET_REQ_TRANSF ]] || align=center | SCRT || align=center | 0x002B  || Set transfer of Call Request for an intercom station 
|-
|[[SET_STATION_COS ]] || align=center | SSC || align=center | 0x0090 || Set COS membership in NVRAM for a station 
|-
|[[SET_SYSTEM_TIME ]] || align=center | SST || align=center | 0x0027  || Set the internal clock to the given date and time 
|-
|[[SET_TIMER ]] || align=center | ST  || align=center | 0x008F || Start or stop a timer 
|-
|[[SINGLE_DIGIT ]] || align=center | DIG || align=center | 0x0051 || Dial one digit on a station 
|-
|[[SNV  ]] || align=center | SNV || align=center | 0x0095 || Update specific system settings (NVRAM) values 
|-
|[[ST_BUSY_BC ]] || align=center | &nbsp; || align=center | 0x0036  || Broadcast message: Intercom station is busy 
|-
|[[ST_FREE_BC ]] || align=center | &nbsp; || align=center | 0x0037  || Broadcast message: Intercom station is free 
|-
|[[ST_GROUP_DISCON ]] || align=center | SGD || align=center | 0x0074  || Switch off Group Call audio at a station that receives Group Call audio at the moment 
|-
|[[STATION_BUSY ]] || align=center | &nbsp; || align=center | 0x000D || Negative response to CONN_REQUEST.
|-
|[[STATION_CONVERSATION ]] || align=center | &nbsp; || align=center | 0x0060|| Message from remote exchange. Set station in conversation mode. Stop tone and open mic.
|-
|[[STATION_DOWN ]] || align=center | &nbsp; || align=center | 0x000C || Negative response to CONN_REQUEST 
|-
|[[STATION_LISTEN ]] || align=center | &nbsp; || align=center | 0x0061 || Message from remote exchange. Set station in listen mode. Shut mic 
|-
|[[STATION_TRANSFER ]] || align=center | &nbsp; || align=center |0x0062  || Message from remote exchange: Transfer of B subscriber.
|-
|[[STATUS_REPORT ]] || align=center | &nbsp; || align=center | 0x0072 || Report equipment Presence and Error/OK status 
|-
|[[SYSTEM_TIME ]] || align=center | &nbsp; || align=center | 0x0026  || Response to the GET_SYSTEM_TIME and SET_SYSTEM_TIME message
|-
|[[UNPARK ]] || align=center |&nbsp; || align=center | 0x0087  || Unpark station from Inquiry call state station, return to conversation
|-
|[[VCP_MEET_REQ ]] || align=center | &nbsp; || align=center | 0x0069 || Request answer to global group call 
|-
|[[WAKE_UP ]] || align=center |&nbsp; || align=center | 0x0047 || Register or remove wakeup request 
|-
|[[WAKE_UP_ACK ]] || align=center | &nbsp; || align=center |0x0048 || Positive response to WAKE_UP 
|-
|[[WAKE_UP_NAK ]] || align=center | &nbsp; || align=center | 0x0049 || Negative response to WAKE_UP
|-
|[[WRITE_USER_DEF_DATA ]] || align=center | WUDD || align=center | 0x008A  || Write User Defined Data (UDD) 
|-
|}


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