Siemens MC55 manual Strstr, Dcsnum

MC55 AT Command Set

9.13 AT+CUSD

s

mobile

is sent to the network. The response USSD string from the network is returned in a subsequent unsolicited result code "+CUSD"

The interaction of this command with other commands based on other GSM supplementary services is described in the GSM standard.

Parameter Description

<n>(num)

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)

<str>(str)

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 character set according to rules of GSM 07.05 Annex A.

<dcs>(num)

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

<m>(num)

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.

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