Siemens MC55 - page 242

MC55 AT Command Set

9.13 AT+CUSD s

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MC55_ATC_V01.05 Page 242 of 469 2/10/04

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is sent to the network. The response USSD string from the network is returned in a subsequent un solicited result

code "+CUSD"

The interaction of this command with other commands based on other GSM supp lementary services is described

in the GSM standard.

Parameter Description

0(&F) Disable the result code presentation in the TA

1 Enable the result code presentation in the TA

2 Cancel session (not applicable to read command response)

String type USSD-string (when <str> parameter is not given, network is not interrogated ).

If <dcs> indicates that GSM 03.38 default alphabet is used TA converts GSM alphabet into current TE ch aracter

set according to rules of GSM 07.05 Annex A.

GSM 03.38 Cell Broadcast Data Coding Scheme in integer format (default 15)

0 No further user action required (network initiated USSD-Notify, or no further

information needed after mobile initiated operation)

1 Further user action required (network initiated USSD-Request, or further infor-

mation needed after mobile initiated operation).

If <m>=1, then the URC ends with ">" to prompt the user for input. The user

action is finished with <CTRL-Z> or aborted with <ESC>.

2 USSD terminated by network.

Notes

• For the write command, only <dcs>= 15 is supported.

• When a USSD string is sent via ATD, a "AT+CUSD=1" is executed implicitly.

<n>(num)

<str>(str)

<dcs>(num)

<m>(num)