
APPENDIX
Protocol Data Mode
118
2.10
•
19.01.2007
5.1.9.4 ConnectReq
Command
Direction: Host => Module
Requests the HW 86012/22 to establish a call to a PT with the indicated IPUI.
The information field has a size of 12 bytes. It is structured as follows:
LAP Information field
CMD
Handle
IPUI-Type
IPUI-Len
IPUI-Data
CMD:
This 1-byte data field identifies the type of call control command. For a ConnectReq
command CMD = 0x03.
Handle:
This 1-byte field is always set to 0. The call handle is assigned by the HW 86012.
IPUI-Type:
This 1-byte data field indicates the type of IPUI-Data. The value 0x00 indicates
IPUI type N (see EN 300 175 part 6). This is the only IPUI type supported by the firmware.
All other values are reserved for future use.
IPUI-Len:
This 1-byte data field contains the number of valid bits in the IPUI-Data field. In
the current implementation always set to 0x28=40.
IPUI-Data:
This 8-bytes data field contains the IPUI. Bit 7 of the first byte is the first bit of the
IPUI. Unused bits are set to 0.
5.1.9.5 DisconnectReq
Command
Direction: Host => Module
Requests the HW 86012/22 to release the call with the indicated cll handle
The information field has a size of 2 bytes. It is structured as follows:
LAP Information field
CMD
Handle
CMD:
This 1-byte data field identifies the type of call control command. For a DisconnectReq
command CMD = 0x04.
Handle:
Bit 0 to 6 of this 1-byte data field contain the call handle of the released call. Bit 7 is
always 0.