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Host-Based Controller Modem Data Addendum
AT Command Set June 15,
1998
57 Version 1.0 Lucent Technologies Inc.
V.25ter AT Commands
The +GMx commands are required by the Microsoft PC98 specifications.
Manufacturer Identification (+GMI?)
Read Syntax: AT+GMI?
Result: Lucent Data/Fax
Lucent Data/Fax/Voice/VoiceView (depending on product)
Version / Revision Information (+GMR?)
Read Syntax: AT+GMR?
Result: Lucent driver version number (e.g. 1.5.05)
Modem Identification (+GMM?)
Read Syntax: AT+GMM?
Result: H.324 video-ready rev. 1.0
The chip set supports the following functionalities of the V.25ter for a H.324 call.
✟ The modified function of the ATD command when issued while the analog voice connection is established. This
command will not cause the DTMF dialing and tone detection associated with the usual ATD # command.
✟ The following AT commands, sub-parameters and values are supported
Table 8. V.25ter AT Commands
Command Sub-
parameter
Values Description
AT+A8E=<v8o>,
<v8a>,<v8cf>
v8o 1 The default value disables the CI option
while in V.8 origination negotiation.
However, the modem, when initiating the
call as a data call, detects ANSam and is
capable of starting in V.34 mode).
6 Enables DCE control of V.8 and CI
option.
Defined for two conditions: as a
parameter to configure
V.8originating and answering
operation while the DCE is on-
hook. It initiates an action if the
DCE is off-hook. If enabled, V.8
negotiation does not preclude
simultaneous implementation of
other negotiation means like
V.8bis, V.18, V.32bis.
v8a 1 The default value disables the CI option
while in V.8 negotiation. However, the
modem, when answering a call, sends the
ANSam and is capable of starting in V.34
mode)
5 Enables DCE control of V.8 and CI
option.
v8cf 21h Call function for H.324 calls
c1h Call function for DSVD calls
AT+A8E? Report current values of sub-
parameters
AT+A8E=? Report supported ranges of values