ICB Type | 0x03 (Extended Data)
ICB ID | 0x0425
Data Length 2 bytes | 0x000C
Data[0-3] | DPC - Destination Point Code
Data[4-7] | OPC - Originating Point Code
Data[8] | SI - Service Indicator
Data[9] | MP - Message Priority
Data[10] | NI - Network Indicator
Data[11] | SLS - Signaling Link Set

ICB Type | 0x03 (Extended Data)
ICB ID | 0x0426
Data Length 2 bytes | Up to 0x010E
Data[0-1] | Length - Length of MSU Data
Data[4-n] | MSU Data - Length up to 0x010C

See Information Control Block.
Destination Point Code
A number that addresses a node in a SS7 network.
Link that connects to the same node