Telenetics 56 User Manual

Page 87

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AT Commands

Page 79

%U - Select µ-Law or A-Law Codec Type

This command selects µ-Law or A-Law codec type for V.90 and K56flex modulation.
This command also stores the selected setting directly to NVRAM. The default value is
country specific.

Syntax

%U<value>

Defined Value

<value> Decimal number corresponding to the selected option.

0 Selects µ-Law.

1 Selects

A-Law.

Result Codes

OK <value> = 0 or 1

ERROR Otherwise.

B - CCITT or Bell

When the modem is configured to allow either option, the modem will select Bell or
CCITT modulation for a line speed connection of 300 or 1200 bps. Any other line speed
will use a CCITT modulation standard. The parameter value, if valid, is written to S27,
bit 6.

Syntax

B<value>

Defined Value

<value> Decimal number corresponding to the selected option.

0 Selects CCITT operation at 300 or 1200 bps during

Call Establishment and a subsequent connection.
(Default.)

1 Selects BELL operation at 300 or 1200 bps during Call

Establishment and a subsequent connection.

Result Codes

OK <value> = 0 or 1

ERROR Otherwise.

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