Standard V.25Ter At Commands; A/ Repeat Previous Command Line; Switch From Data Mode Or Ppp Online Mode To Command Mode - Siemens MC35 Command Set

AT Command Set

2 Standard V.25ter AT Commands

These AT Commands are related to ITU-T (International Telecommunication Union, Telecommunica-
tion sector) V.25ter document.
MC35 supports the registers S0-S29. You can change S0,S3,S4,S5,S6,S7,S8,S10,S18 by using the
appropriate ATSn commands. All the other registers are read-only and for internal usage only!

2.1 A/ Repeat previous command line

Execute command Response
A/ Repeats previous command line. Line does not need to end with terminating
character.
Parameter
Reference Note
· After beginning with the character "a" or „A", a second character "t" ,"T" or "/"
V.25ter
has to follow. In case of using a wrong second character, it is necessary to
start again with character "a" or "A".
· If autobauding is active (see +IPR, pg. 46) A/ (and a/) cannot be used.

2.2 +++ Switch from data mode or PPP online mode to command mode

Execute command Response
This command is only available during a CSD call or a GPRS connection. The
+++
+++ character sequence causes the TA to cancel the data flow over the AT inter-
face and switch to command mode. This allows you to enter AT commands while
maintaining the data connection to the remote device or, accordingly, the GPRS
connection.
OK
To prevent the +++ escape sequence from being misinterpreted as data, it must
be preceded and followed by a pause of at least 1000 ms. The +++ characters
must be entered in quick succession, all within 1000 ms.
Reference Note:
· To return from command mode to data or PPP online mode: Enter ATO as de-
V.25ter
scribed in Chapter 2.17.
MC35_ATC_01_V05.00 Page 19 of 256 15.07.2002