Multi-Tech Systems MT5600SMI-34 - Manual (Page 64)

Chapter 5 – AT Commands, S-Registers, and Result Codes
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 64
Command: +A8I: CI Signal Indication
Description: This indication is issued by an answering modem, if +A8E, .0, to
indicate detection of a V.8 CI signal, and report the recovered Call Function
octet(s).
Defined Values: A hexadecimal code octet representation of the Call Function
octet(s). +A8I:0 indicates that the modem timed out waiting for
CI.
Example: +A8I:0 The modem timed out waiting for CI.
+A8I:X YYY