0x29 Router

In the Route Control message, to use the internal router to find a destination channel, use the Router address type. Currently, the Router Handle is always 0xFFFE.

Byte | AIB Field Description
--- | ---
2 | Address Element: 0x29
3 | Data Length: 0x02
4, 5 | Data[0, 1] Router Handle

See Address Information Block.
The information in an AIB that follows the header, down to the data field. An AIB can have one or more Address Elements. AEs correspond to Span, Channel, and SS7 Link.