BusinessPhone Communication Platform 4.0
Signal Types, Internal Messages and CSW-Blocks > Internal Messages - Info Codes > Sorted by Info code

## 3B TRANSP

RP Communication with ICCU2

01h TRANSP_CONN |  | Establish conn. CSM and ICCU2 |
02h TRANSP_CONN_ACK |  | Positive ack upon connection request |
03h TRANSP_CONN_NAK |  | Negative ack upon connection request |
04h TRANSP_INFO |  | Transparent data exchange between periph. board and central SW block |
05h TRANSP_DISC |  | Terminate conn. between CSM and ICCU |

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