Multi-Tech Systems MT5600SMI-34 User Manual
Page 54

Chapter 5 – AT Commands, S-Registers, and Result Codes
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide
54
Command:
%U
Select µ-Law or A-Law Codec Type
Description:
Selects µ-Law or A-Law codec type for V.90 and 56K modulation.
This command also stores the selected setting directly to NVRAM.
Default:
Default value is country specific
Defined Values:
0
Selects µ-Law.
1 Selects
A-Law.
Result Codes:
OK
Otherwise ERROR
Command:
B
CCITT or Bell
Description:
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.
Default:
0
Defined Values:
B0
Selects CCITT operation at 300 or 1200 bps during Call
Establishment and a subsequent connection. (Default.)
B1
Selects BELL operation at 300 or 1200 bps during Call
Establishment and a subsequent connection.
Result Codes:
OK
Otherwise ERROR