Mtty, Motorola Tty Configuration - Motorola G24 Guide Developer's Manual

Call Control
The meaning of the AT+MVC=1,1,3,5 command is:
The modem is able to support GSM full rate speech version 1, GSM full rate speech version 2
(EFR), GSM half rate speech version 3 (AMR Half Rate) only:
•
GSM full rate speech version 1 is the first priority
•
GSM full rate speech version 2 (EFR) is the second priority
•
GSM half rate speech version 3 (AMR Half Rate) is the third priority
The GSM half rate speech version 1 and GSM full rate speech version 3 (AMR Full Rate) will not
be supported by the modem.

+MTTY, Motorola TTY Configuration

This AT command is used to enable or disable TTY (Tele Typewriter) support in G24 modules.
Note:
Command
Type
Set
Read
Test
3-44
Tele-typewriter or Teletype, a typewriter with an electronic communication. TTY is an
electronic device for text communication via a telephone line, used when one or more of
the parties have hearing or speech difficulties.
Syntax
AT+MTTY=<n>
AT+MTTY?
AT+MTTY=?
AT Commands Reference Manual
Response/Action
OK The SET command is used for setting
the current TTY mode.
or:
+CME ERROR: <err>
+ MTTY : <n> The READ command returns the
current TTY mode <n>.
OK
or:
+CME ERROR: <err>
+MTTY : (0-3) The Test command returns the possible
value's range.
OK
or:
+CME ERROR: <err>
Remarks
December 31, 2007