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Example: +A8E: (1,6),(1,5),(1),(0),(1,6),(1)
3.2.7.2 +A8M - Send V.8 Menu Signals
This command, applicable only in DTE-controlled V.8, directs the modem to send a V.8
CM or JM signal using the specified hexadecimal coded string. If the modem can decode
the menu octet string, and if it cannot implement a specified feature, the modem reports
an ERROR final result code, but stays in V.8 operation awaiting another command.
Syntax
+A8M=<hexadecimal coded CM or JM octet string>
3.2.7.3 +A8T - Send V.8bis Signal and/or Message(s)
This command directs the modem to transmit a V.8bis signal and/or message. The first
subparameter selects the V.8bis signal (see Tables 1-3/V.8bis). Values of 0 correspond
to no signal sent. The hex coded messages, if provided, are used to generate V.8bis
messages.
Syntax
+A8T=<signal>[,<1st message>][,<2nd message>][,< sig_en
>][,<msg_en>][,<supp_delay>]
Defined Values
<signal> Decimal number which specifies the V.8bis signal (see Table 3-1).
Table 3-1. V.8bis Signal Subparameter Values
<signal> Value Description
0 None
1 Initiating MRe
2 Initiating MRd
3 Initiating CRe, low power
4 Initiating CRe, high power
5 Initiating CRd
6 Initiating ESi
7 Responding MRd, low power
8 Responding MRd, high power
9 Responding CRd
10 Responding ESr
<1st message> The transmitted V.8bis message frame(s) is specified as hexadecimal
octet coded string (A.4.1).
Additional messages are delimited by comma characters. Flag generation, flag
transparency 0-bit
insertion and FCS generation are performed by the modem. If no data is provided by the
DTE, no
V.21 carrier is generated beyond that used in segment 2. For two concatenated
messages, the
modem inserts the required preamble between the first and second messages.
<2nd message> See <1st message> description.
<sig_en> Decimal number which specifies enables the modem to search for specified
V.8 bis signals:
0 = Enable detection of initiating signals;
1 = Enable detection of responding signals;
2 = Enable detection of both signals.
<msg_en>, Decimal number which disables or enables the modem to search for V.8 bis
messages. Note that detection of an ES signal automatically conditions the modem to
look for an immediately
subsequent V.8 bis message regardless of the setting of <msg_en>; see §A.9.2
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