0x18 ISDN Raw IEs with Event

You can insert any valid IE into this ICB. The ISDN messages listed below have the listed IEs automatically inserted unless overridden by the host. All other messages have no IEs automatically inserted.

SETUP

• Call Reference (Formatted IE)

• Bearer Capability (Raw IE)

• Network-specific IE (Raw IE) (Unless B channel’s Network Type is set to 1, see B Channel Configure)

• Channel ID (will always be inserted for Primary Rate, cannot be inserted by host)

RELEASE

• Cause (Formatted IE)

Used in:
Connect with Data message

ICB Type | 0x02 (Data)
ICB ID | 0x18
Data Length | Variable
Data[0, 1] | Event
Data[2] | Number of IEs (0–30)
Data[3] | IE Type (see ITU-T Q.931)
Data[4] | IE Length (0–130)
Data[5] | IE Data[0]

See Information Control Block.
See Integrated Services Digital Network.
Bearer channel, 64Kbps (ISDN) The channel that carries the actual payload (as opposed to D-channels, which carry signaling data that helps route the payload).
International Telecommunications Union (UN)
Call signaling protocol for setup and termination of calls.