Telenetics 56 User Manual

Page 98

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AT Commands

Page 90

answer negotiation.

5 Enable DCE-controlled V.8 answer negotiation with

+A8x indications.

<v8cf Set the V.8 CI signal call function to the hexadecimal octetXY.

00 (Default.)
21
C1

<v8b> Decimal number which enables/disables V.8bis negotiation.

0 Disable V.8bis negotiation.

1 Enable V.8bis negotiation. (Default.)

<cfrange> “<string of values>“. Applicable only for <v8a>=5. Not

supported.

< protrange > “<string of values>“. Applicable only for <v8a>=5. Not

supported.

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 Value

<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

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