Broadcast messages (ACDP)
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This article describes the ACDP broadcast messages transmitted from the AlphaCom, and give some message examples.
Broadcast messages
| Message | Message no, Hex | Description |
|---|---|---|
| ST_BUSY_BC | 0x0036 | Broadcast message: Intercom station is busy |
| ST_FREE_BC | 0x0037 | Broadcast message: Intercom station is free |
| CALL_STATUS_BC | 0x0040 | Broadcast message telling the status of a call |
| CONN_STATUS_BC | 0x0041 | Broadcast message telling that a connection is established |
| DISCON_STATUS_BC | 0x0042 | Broadcast message telling that a connection is disconnected |
| EXT_FEATURE_BC | 0x0043 | Broadcast message when a directory number (feature 50) is dialed on a station |
| Q_ELEM_ADDED | 0x004B | Broadcast message. Reports that a mail message has been added to a station’s mail queue |
| Q_ELEM_REMOVED | 0x004C | Broadcast message. Reports that a mail message has been removed from a station’s mail queue |
| CONF_IS_ROOT | 0x007B | Broadcast message. Sender informs that it is root of conference |
| CONF_NOT_ROOT | 0x007C | Broadcast message. Sender informs that it is no longer root of conference |
Message example
The messages below are broadcast messages transmitted from the AlphaCom on the AlphaCom Data Protocol when a call is initiated by the command: $CALL L8002 L8009
- 014101FF2118410015003632018002=54
- 014101FF2119410016003632018009=5D
- 014101FF211A410017004007D706070B1A2D32018002320180090201=76
- 014101FF211B410018004107D706070B1A2D01043201800232018009=7F
Message explanation
Station 8002 busy:
Message: 014101FF2118410015003632018002=54 Network Application Application layer header header message parameters --------------- ------------ ------------- 0141 01FF 21 18 41 0015 0036 32018002 = 54 ---- ---- -- -- -- ---- ---- -------- - -- ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! +- Checksum ! ! ! ! ! ! ! ! +--- Checksum next ! ! ! ! ! ! ! +-------- Station in NET_OBJ_REF format: dir no 8002, node 01 ! ! ! ! ! ! +---------------- Message id: 0x0036 = Station is busy ! ! ! ! ! +--------------------- Reference: Value identifying receivers’ reference ! ! ! ! +------------------------- Message class: 65 (0x41) ‘A’ = AlphaCom ! ! ! +---------------------------- Options: The number of bytes is given by <hopcountbyte> ! ! +------------------------------- Hopcount byte ! +----------------------------------- Destination: Node 01, broadcast (0xFF) +---------------------------------------- Source: Node 01, module 65 (0x41)
Station 8009 busy:
Message: 014101FF2119410016003632018009=5D Network Application Application layer header header message parameters --------------- ------------ ------------- 0141 01FF 21 19 41 0016 0036 32018009 = 5D ---- ---- -- -- -- ---- ---- -------- - -- ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! +- Checksum ! ! ! ! ! ! ! ! +--- Checksum next ! ! ! ! ! ! ! +-------- Station in NET_OBJ_REF format: dir no 8009, node 01 ! ! ! ! ! ! +---------------- Message id: 0x0036 = Station is busy ! ! ! ! ! +--------------------- Reference: Value identifying receivers’ reference ! ! ! ! +------------------------- Message class: 65 (0x41) ‘A’ = AlphaCom ! ! ! +---------------------------- Options: The number of bytes is given by <hopcountbyte> ! ! +------------------------------- Hopcount byte ! +----------------------------------- Destination: Node 01, broadcast (0xFF) +---------------------------------------- Source: Node 01, module 65 (0x41)
Call status:
Message: 014101FF211A410017004007D706070B1A2D32018002320180090201=76 Network Application Application layer header header message parameters --------------- ------------ ------------------------------------------- 0141 01FF 21 1A 41 0017 0040 07D706070B1A2D 32018002 32018009 02 01 = 76 ---- ---- -- -- -- ---- ---- -------------- -------- -------- -- -- - -- ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! +- Checksum ! ! ! ! ! ! ! ! ! ! ! ! +--- Checksum next ! ! ! ! ! ! ! ! ! ! ! +----- Call mode: 01 = Open call ! ! ! ! ! ! ! ! ! ! +-------- A-station call priority: 02 = medium (normal) ! ! ! ! ! ! ! ! ! +--------------- B-station in NetObjRef format: dir no 8009, node 01 ! ! ! ! ! ! ! ! +------------------------ A-station in NetObjRef format: dir no 8002, node 01 ! ! ! ! ! ! ! +------------------------------------ Clock ! ! ! ! ! ! +---------------------------------------------- Message id: 0x0040 = Call status ! ! ! ! ! +--------------------------------------------------- Reference: Value identifying receivers’ reference ! ! ! ! +------------------------------------------------------- Message class: 65 (0x41) ‘A’ = AlphaCom ! ! ! +---------------------------------------------------------- Options: The number of bytes is given by <hopcountbyte> ! ! +------------------------------------------------------------- Hopcount byte ! +----------------------------------------------------------------- Destination: Node 01, broadcast (0xFF) +---------------------------------------------------------------------- Source: Node 01, module 65 (0x41)
Connect status:
Message: 014101FF211B410018004107D706070B1A2D01043201800232018009=7F Network Application Application layer header header message parameters --------------- ------------ ------------------------------------------ 0141 01FF 21 1B 41 0018 0041 07D706070B1A2D 0104 32018002 32018009 = 7F ---- ---- -- -- -- ---- ---- -------------- ---- -------- -------- - -- ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! +- Checksum ! ! ! ! ! ! ! ! ! ! ! +--- Checksum next ! ! ! ! ! ! ! ! ! ! +--------- B-station in NetObjRef format: dir no 8009, node 01 ! ! ! ! ! ! ! ! ! +------------------ A-station in NetObjRef format: dir no 8002, node 01 ! ! ! ! ! ! ! ! +------------------------- Connection reference ! ! ! ! ! ! ! +----------------------------------- Clock ! ! ! ! ! ! +--------------------------------------------- Message id: 0x0041 = Connect status ! ! ! ! ! +-------------------------------------------------- Reference: Value identifying receivers’ reference ! ! ! ! +------------------------------------------------------ Message class: 65 (0x41) ‘A’ = AlphaCom ! ! ! +--------------------------------------------------------- Options: The number of bytes is given by <hopcountbyte> ! ! +------------------------------------------------------------ Hopcount byte ! +---------------------------------------------------------------- Destination: Node 01, broadcast (0xFF) +--------------------------------------------------------------------- Source: Node 01, module 65 (0x41)