Comtrol AT Commands - Manual (Page 105)

AT Commands for CX81801/CX06833/CX81300/CX06827 Modems Reference Manual
102184B Conexant 3-79
Default values: 1,1,00,1,0,0
The ATD and ATA commands behave as specified in V.250, and +A8n indications are
not generated by the modem.
For subparameter values <v8o>=6 and <v8a>=5, the +A8I indications are issued during
the course of the V.8 session to notify the DTE when the relevant V.8 signals are
received.
Reporting Current or Selected Values
Command: +A8E?
Response: +A8E: <v8o>,<v8a>,<v8cf>[,<v8b>][,<cfrange>][,<protrange>]
Example: +A8E: 1,1,00,1,0,0 For the defaults
Reporting Supported Range of Parameter Values
Command: +A8E=?
Response: +A8E: (<v8o> range),(<v8a> range),(v8cf in octets),
(<v8b> range),(<cfrange>),(<protrange>)
Example: +A8E: (1,6),(1,5),(0,21,C1),(0,1),(0),(0)
+A8I: - CI Signal Indication
This indication is issued by an answering modem, if +A8E,<v8a> ≠ 0, to indicate
detection of a V.8 CI signal, and report the recovered Call Function octet(s).
Indication Syntax
+A8I:<v8cf><CR>
Defined Values
<v8cf> A hexadecimal code octet representation of those 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