Siemens TC63 Benutzerhandbuch

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TC63_ATC_V00.490

Page 65 of 501

5/24/05

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M20 is an earlier, widely used SIEMENS GSM engine. The 

 command selects different modes of

responses returned upon execution of the commands 

 and sms commands like e.g. 

. Please note

that the 

 command has no effect on any other features and is not intended to adjust other differences

between M20 and TC63. 

Call setup response mode
Applies only to voice calls.
0

Set compatibility to Siemens mobile phones.

ME will return "OK" immediately after attempting a call with the 

 command.

In case of failure, additional call release indications, such as "NO DIAL TONE,

"NO CARRIER", "BUSY" will follow. 

1

(&F)

Default call setup mode, compatible to M20.

ME will return "OK" in case of a successful connection, otherwise one of the

call release indications "NO DIAL TONE, "NO CARRIER", "BUSY" are indi-

cated. 

Response mode for sending and writing short messages
Applies to the sms commands like e.g. 

 and 

 command.

0

Set compatibility to Siemens mobile phones.

ME will return +CMS ERROR: <err> when writing or sending of short mes-

sages fails. 

1

(&F)

Default mode for sending and writing short messages, compatible to M20.

ME will return "OK", no matter whether or not sms command was successfully

executed. 

Test Command

AT^SM20=?

Response(s)

OK 

Read Command

AT^SM20?

Response(s)

^SM20:

OK 

Write Command

Response(s)

OK

Reference(s)

PIN

ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge

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Last

SIEMENS

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<CallMode>

(num)

<CmgwMode>

(num)