Sony Ericsson T20e manual User Interaction With SIM AT, SET UP Call, SET UP Menu, SMS PP Download

Service	Mode	Support
		in T20e
SET UP CALL	General: Capability configuration	Yes
	Setup speech call CallParty
		No
	Subaddress
		Yes
	DTMF support
	'00' = set up call, but only if not currently busy	Yes
	on another call;
	'01' = set up call, but only if not currently busy	Yes
	on another call, with redial;
	'02' = set up call, putting all other calls (if any)	Yes
	on hold;
	'03' = set up call, putting all other calls (if any)	Yes
	on hold, with redial;
	'04' = set up call, disconnecting all other calls	Yes
	(if any);
	'05' = set up call, disconnecting all other calls	Yes
	(if any), with redial;
SET UP MENU		Yes
SMS PP DOWNLOAD		Yes
START MENU		Yes

User Interaction With SIM AT

DISPLAY TEXT	A text string of up to 160 characters (80 UCS coded) is supported.
Text clearing times	10-20 seconds. 60-second timeout limit for the user to clear the text.
‘Key’ responses	‘Long NO’ – Proactive session terminated by user.
	‘NO’ – Backward move in proactive session.
	Any other key clears display if the command is performed success-
	fully.
GET INKEY	Prompt for a one character input. Pressing ‘YES’ without entering a
	character gives warning message “Minimum 1 character”.
‘Key’ responses	‘CLR’ clears current character.
	‘Long NO’ terminates the proactive session.
	‘NO’ – Backward move in proactive session.
	‘YES’ – Command performed successfully.
GET INPUT	Prompt for character input. Pressing ‘YES’ without entering a charac-
	ter gives warning message “Minimum ‘no’ characters”. The phone will
	refuse to accept further input when maximum response length is
	exceeded.
MMI Maximum Response lengths
	Digits Only – xx characters
	SMS default alphabet characters – 160 characters
	Hidden Characters (Digits Only) – 20 characters
‘Key’ responses	‘CLR’ clears current character/characters.
	‘Long No’ terminates the proactive session
	‘NO’ – Backward move in proactive session
	‘YES’ – Command performed successfully

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